[
  {
    "phenotype_id": "PH3479",
    "phenotype_version_id": 8522,
    "name": "ICD-10 Chapter XII",
    "definition": "This codelist was taken from [OpenCodelists](https://www.opencodelists.org/), created by [OpenSAFELY](https://www.opensafely.org/). We recommend viewing this Phenotype on the OpenCodelist website to view the most recent version.\n\n\n© University of Oxford for the Bennett Institute for Applied Data Science 2025\\. This work may be copied freely for non\\-commercial research and study.\n\n",
    "implementation": null,
    "publications": null,
    "validation": null,
    "citation_requirements": null,
    "created": "2026-01-26T23:19:00.464271Z",
    "author": "OpenSAFELY",
    "collections": [
      {
        "name": "OpenCodelist",
        "value": 31
      },
      {
        "name": "Phenotype Library",
        "value": 18
      }
    ],
    "tags": null,
    "organisation": {
      "id": 1,
      "slug": "opensafely",
      "name": "OpenSAFELY"
    },
    "world_access": 1,
    "updated": "2026-01-26T23:19:00.459182Z",
    "references": [],
    "signed_off": [],
    "methodology": "",
    "coding_system": [
      {
        "name": "ICD10 codes",
        "value": 4
      }
    ],
    "open_codelist_id": "opensafely/icd-10-chapter-xii",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/icd-10-chapter-xii/7d3a6e0f",
    "concept_information": [
      {
        "concept_id": 8699,
        "concept_version_id": 16184,
        "concept_name": "opensafely/icd-10-chapter-xii/7d3a6e0f",
        "coding_system": {
          "id": 4,
          "name": "ICD10 codes",
          "description": "ICD10 Codes"
        },
        "phenotype_id": "PH3479",
        "phenotype_version_id": 8522,
        "phenotype_name": "ICD-10 Chapter XII",
        "code_attribute_header": [],
        "codes": [
          {
            "code": "L00",
            "description": "Staphylococcal scalded skin syndrome",
            "attributes": null
          },
          {
            "code": "L00-L08",
            "description": "Infections of the skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L01",
            "description": "Impetigo",
            "attributes": null
          },
          {
            "code": "L010",
            "description": "Impetigo [any organism] [any site]",
            "attributes": null
          },
          {
            "code": "L011",
            "description": "Impetiginization of other dermatoses",
            "attributes": null
          },
          {
            "code": "L02",
            "description": "Cutaneous abscess, furuncle and carbuncle",
            "attributes": null
          },
          {
            "code": "L020",
            "description": "Cutaneous abscess, furuncle and carbuncle of face",
            "attributes": null
          },
          {
            "code": "L021",
            "description": "Cutaneous abscess, furuncle and carbuncle of neck",
            "attributes": null
          },
          {
            "code": "L022",
            "description": "Cutaneous abscess, furuncle and carbuncle of trunk",
            "attributes": null
          },
          {
            "code": "L023",
            "description": "Cutaneous abscess, furuncle and carbuncle of buttock",
            "attributes": null
          },
          {
            "code": "L024",
            "description": "Cutaneous abscess, furuncle and carbuncle of limb",
            "attributes": null
          },
          {
            "code": "L028",
            "description": "Cutaneous abscess, furuncle and carbuncle of other sites",
            "attributes": null
          },
          {
            "code": "L029",
            "description": "Cutaneous abscess, furuncle and carbuncle, unspecified",
            "attributes": null
          },
          {
            "code": "L03",
            "description": "Cellulitis",
            "attributes": null
          },
          {
            "code": "L030",
            "description": "Cellulitis of finger and toe",
            "attributes": null
          },
          {
            "code": "L031",
            "description": "Cellulitis of other parts of limb",
            "attributes": null
          },
          {
            "code": "L032",
            "description": "Cellulitis of face",
            "attributes": null
          },
          {
            "code": "L033",
            "description": "Cellulitis of trunk",
            "attributes": null
          },
          {
            "code": "L038",
            "description": "Cellulitis of other sites",
            "attributes": null
          },
          {
            "code": "L039",
            "description": "Cellulitis, unspecified",
            "attributes": null
          },
          {
            "code": "L04",
            "description": "Acute lymphadenitis",
            "attributes": null
          },
          {
            "code": "L040",
            "description": "Acute lymphadenitis of face, head and neck",
            "attributes": null
          },
          {
            "code": "L041",
            "description": "Acute lymphadenitis of trunk",
            "attributes": null
          },
          {
            "code": "L042",
            "description": "Acute lymphadenitis of upper limb",
            "attributes": null
          },
          {
            "code": "L043",
            "description": "Acute lymphadenitis of lower limb",
            "attributes": null
          },
          {
            "code": "L048",
            "description": "Acute lymphadenitis of other sites",
            "attributes": null
          },
          {
            "code": "L049",
            "description": "Acute lymphadenitis, unspecified",
            "attributes": null
          },
          {
            "code": "L05",
            "description": "Pilonidal cyst",
            "attributes": null
          },
          {
            "code": "L050",
            "description": "Pilonidal cyst with abscess",
            "attributes": null
          },
          {
            "code": "L059",
            "description": "Pilonidal cyst without abscess",
            "attributes": null
          },
          {
            "code": "L08",
            "description": "Other local infections of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L080",
            "description": "Pyoderma",
            "attributes": null
          },
          {
            "code": "L081",
            "description": "Erythrasma",
            "attributes": null
          },
          {
            "code": "L088",
            "description": "Other specified local infections of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L089",
            "description": "Local infection of skin and subcutaneous tissue, unspecified",
            "attributes": null
          },
          {
            "code": "L10",
            "description": "Pemphigus",
            "attributes": null
          },
          {
            "code": "L100",
            "description": "Pemphigus vulgaris",
            "attributes": null
          },
          {
            "code": "L101",
            "description": "Pemphigus vegetans",
            "attributes": null
          },
          {
            "code": "L102",
            "description": "Pemphigus foliaceus",
            "attributes": null
          },
          {
            "code": "L103",
            "description": "Brazilian pemphigus [fogo selvagem]",
            "attributes": null
          },
          {
            "code": "L104",
            "description": "Pemphigus erythematosus",
            "attributes": null
          },
          {
            "code": "L105",
            "description": "Drug-induced pemphigus",
            "attributes": null
          },
          {
            "code": "L108",
            "description": "Other pemphigus",
            "attributes": null
          },
          {
            "code": "L109",
            "description": "Pemphigus, unspecified",
            "attributes": null
          },
          {
            "code": "L10-L14",
            "description": "Bullous disorders",
            "attributes": null
          },
          {
            "code": "L11",
            "description": "Other acantholytic disorders",
            "attributes": null
          },
          {
            "code": "L110",
            "description": "Acquired keratosis follicularis",
            "attributes": null
          },
          {
            "code": "L111",
            "description": "Transient acantholytic dermatosis [Grover]",
            "attributes": null
          },
          {
            "code": "L118",
            "description": "Other specified acantholytic disorders",
            "attributes": null
          },
          {
            "code": "L119",
            "description": "Acantholytic disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L12",
            "description": "Pemphigoid",
            "attributes": null
          },
          {
            "code": "L120",
            "description": "Bullous pemphigoid",
            "attributes": null
          },
          {
            "code": "L121",
            "description": "Cicatricial pemphigoid",
            "attributes": null
          },
          {
            "code": "L122",
            "description": "Chronic bullous disease of childhood",
            "attributes": null
          },
          {
            "code": "L123",
            "description": "Acquired epidermolysis bullosa",
            "attributes": null
          },
          {
            "code": "L128",
            "description": "Other pemphigoid",
            "attributes": null
          },
          {
            "code": "L129",
            "description": "Pemphigoid, unspecified",
            "attributes": null
          },
          {
            "code": "L13",
            "description": "Other bullous disorders",
            "attributes": null
          },
          {
            "code": "L130",
            "description": "Dermatitis herpetiformis",
            "attributes": null
          },
          {
            "code": "L131",
            "description": "Subcorneal pustular dermatitis",
            "attributes": null
          },
          {
            "code": "L138",
            "description": "Other specified bullous disorders",
            "attributes": null
          },
          {
            "code": "L139",
            "description": "Bullous disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L14",
            "description": "Bullous disorders in diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "L20",
            "description": "Atopic dermatitis",
            "attributes": null
          },
          {
            "code": "L200",
            "description": "Besnier prurigo",
            "attributes": null
          },
          {
            "code": "L208",
            "description": "Other atopic dermatitis",
            "attributes": null
          },
          {
            "code": "L209",
            "description": "Atopic dermatitis, unspecified",
            "attributes": null
          },
          {
            "code": "L20-L30",
            "description": "Dermatitis and eczema",
            "attributes": null
          },
          {
            "code": "L21",
            "description": "Seborrhoeic dermatitis",
            "attributes": null
          },
          {
            "code": "L210",
            "description": "Seborrhoea capitis",
            "attributes": null
          },
          {
            "code": "L211",
            "description": "Seborrhoeic infantile dermatitis",
            "attributes": null
          },
          {
            "code": "L218",
            "description": "Other seborrhoeic dermatitis",
            "attributes": null
          },
          {
            "code": "L219",
            "description": "Seborrhoeic dermatitis, unspecified",
            "attributes": null
          },
          {
            "code": "L22",
            "description": "Diaper [napkin] dermatitis",
            "attributes": null
          },
          {
            "code": "L23",
            "description": "Allergic contact dermatitis",
            "attributes": null
          },
          {
            "code": "L230",
            "description": "Allergic contact dermatitis due to metals",
            "attributes": null
          },
          {
            "code": "L231",
            "description": "Allergic contact dermatitis due to adhesives",
            "attributes": null
          },
          {
            "code": "L232",
            "description": "Allergic contact dermatitis due to cosmetics",
            "attributes": null
          },
          {
            "code": "L233",
            "description": "Allergic contact dermatitis due to drugs in contact with skin",
            "attributes": null
          },
          {
            "code": "L234",
            "description": "Allergic contact dermatitis due to dyes",
            "attributes": null
          },
          {
            "code": "L235",
            "description": "Allergic contact dermatitis due to other chemical products",
            "attributes": null
          },
          {
            "code": "L236",
            "description": "Allergic contact dermatitis due to food in contact with skin",
            "attributes": null
          },
          {
            "code": "L237",
            "description": "Allergic contact dermatitis due to plants, except food",
            "attributes": null
          },
          {
            "code": "L238",
            "description": "Allergic contact dermatitis due to other agents",
            "attributes": null
          },
          {
            "code": "L239",
            "description": "Allergic contact dermatitis, unspecified cause",
            "attributes": null
          },
          {
            "code": "L24",
            "description": "Irritant contact dermatitis",
            "attributes": null
          },
          {
            "code": "L240",
            "description": "Irritant contact dermatitis due to detergents",
            "attributes": null
          },
          {
            "code": "L241",
            "description": "Irritant contact dermatitis due to oils and greases",
            "attributes": null
          },
          {
            "code": "L242",
            "description": "Irritant contact dermatitis due to solvents",
            "attributes": null
          },
          {
            "code": "L243",
            "description": "Irritant contact dermatitis due to cosmetics",
            "attributes": null
          },
          {
            "code": "L244",
            "description": "Irritant contact dermatitis due to drugs in contact with skin",
            "attributes": null
          },
          {
            "code": "L245",
            "description": "Irritant contact dermatitis due to other chemical products",
            "attributes": null
          },
          {
            "code": "L246",
            "description": "Irritant contact dermatitis due to food in contact with skin",
            "attributes": null
          },
          {
            "code": "L247",
            "description": "Irritant contact dermatitis due to plants, except food",
            "attributes": null
          },
          {
            "code": "L248",
            "description": "Irritant contact dermatitis due to other agents",
            "attributes": null
          },
          {
            "code": "L249",
            "description": "Irritant contact dermatitis, unspecified cause",
            "attributes": null
          },
          {
            "code": "L25",
            "description": "Unspecified contact dermatitis",
            "attributes": null
          },
          {
            "code": "L250",
            "description": "Unspecified contact dermatitis due to cosmetics",
            "attributes": null
          },
          {
            "code": "L251",
            "description": "Unspecified contact dermatitis due to drugs in contact with skin",
            "attributes": null
          },
          {
            "code": "L252",
            "description": "Unspecified contact dermatitis due to dyes",
            "attributes": null
          },
          {
            "code": "L253",
            "description": "Unspecified contact dermatitis due to other chemical products",
            "attributes": null
          },
          {
            "code": "L254",
            "description": "Unspecified contact dermatitis due to food in contact with skin",
            "attributes": null
          },
          {
            "code": "L255",
            "description": "Unspecified contact dermatitis due to plants, except food",
            "attributes": null
          },
          {
            "code": "L258",
            "description": "Unspecified contact dermatitis due to other agents",
            "attributes": null
          },
          {
            "code": "L259",
            "description": "Unspecified contact dermatitis, unspecified cause",
            "attributes": null
          },
          {
            "code": "L26",
            "description": "Exfoliative dermatitis",
            "attributes": null
          },
          {
            "code": "L27",
            "description": "Dermatitis due to substances taken internally",
            "attributes": null
          },
          {
            "code": "L270",
            "description": "Generalized skin eruption due to drugs and medicaments",
            "attributes": null
          },
          {
            "code": "L271",
            "description": "Localized skin eruption due to drugs and medicaments",
            "attributes": null
          },
          {
            "code": "L272",
            "description": "Dermatitis due to ingested food",
            "attributes": null
          },
          {
            "code": "L278",
            "description": "Dermatitis due to other substances taken internally",
            "attributes": null
          },
          {
            "code": "L279",
            "description": "Dermatitis due to unspecified substance taken internally",
            "attributes": null
          },
          {
            "code": "L28",
            "description": "Lichen simplex chronicus and prurigo",
            "attributes": null
          },
          {
            "code": "L280",
            "description": "Lichen simplex chronicus",
            "attributes": null
          },
          {
            "code": "L281",
            "description": "Prurigo nodularis",
            "attributes": null
          },
          {
            "code": "L282",
            "description": "Other prurigo",
            "attributes": null
          },
          {
            "code": "L29",
            "description": "Pruritus",
            "attributes": null
          },
          {
            "code": "L290",
            "description": "Pruritus ani",
            "attributes": null
          },
          {
            "code": "L291",
            "description": "Pruritus scroti",
            "attributes": null
          },
          {
            "code": "L292",
            "description": "Pruritus vulvae",
            "attributes": null
          },
          {
            "code": "L293",
            "description": "Anogenital pruritus, unspecified",
            "attributes": null
          },
          {
            "code": "L298",
            "description": "Other pruritus",
            "attributes": null
          },
          {
            "code": "L299",
            "description": "Pruritus, unspecified",
            "attributes": null
          },
          {
            "code": "L30",
            "description": "Other dermatitis",
            "attributes": null
          },
          {
            "code": "L300",
            "description": "Nummular dermatitis",
            "attributes": null
          },
          {
            "code": "L301",
            "description": "Dyshidrosis [pompholyx]",
            "attributes": null
          },
          {
            "code": "L302",
            "description": "Cutaneous autosensitization",
            "attributes": null
          },
          {
            "code": "L303",
            "description": "Infective dermatitis",
            "attributes": null
          },
          {
            "code": "L304",
            "description": "Erythema intertrigo",
            "attributes": null
          },
          {
            "code": "L305",
            "description": "Pityriasis alba",
            "attributes": null
          },
          {
            "code": "L308",
            "description": "Other specified dermatitis",
            "attributes": null
          },
          {
            "code": "L309",
            "description": "Dermatitis, unspecified",
            "attributes": null
          },
          {
            "code": "L40",
            "description": "Psoriasis",
            "attributes": null
          },
          {
            "code": "L400",
            "description": "Psoriasis vulgaris",
            "attributes": null
          },
          {
            "code": "L401",
            "description": "Generalized pustular psoriasis",
            "attributes": null
          },
          {
            "code": "L402",
            "description": "Acrodermatitis continua",
            "attributes": null
          },
          {
            "code": "L403",
            "description": "Pustulosis palmaris et plantaris",
            "attributes": null
          },
          {
            "code": "L404",
            "description": "Guttate psoriasis",
            "attributes": null
          },
          {
            "code": "L405",
            "description": "Arthropathic psoriasis M07.0-M07.3 M09.0",
            "attributes": null
          },
          {
            "code": "L408",
            "description": "Other psoriasis",
            "attributes": null
          },
          {
            "code": "L409",
            "description": "Psoriasis, unspecified",
            "attributes": null
          },
          {
            "code": "L40-L45",
            "description": "Papulosquamous disorders",
            "attributes": null
          },
          {
            "code": "L41",
            "description": "Parapsoriasis",
            "attributes": null
          },
          {
            "code": "L410",
            "description": "Pityriasis lichenoides et varioliformis acuta",
            "attributes": null
          },
          {
            "code": "L411",
            "description": "Pityriasis lichenoides chronica",
            "attributes": null
          },
          {
            "code": "L413",
            "description": "Small plaque parapsoriasis",
            "attributes": null
          },
          {
            "code": "L414",
            "description": "Large plaque parapsoriasis",
            "attributes": null
          },
          {
            "code": "L415",
            "description": "Retiform parapsoriasis",
            "attributes": null
          },
          {
            "code": "L418",
            "description": "Other parapsoriasis",
            "attributes": null
          },
          {
            "code": "L419",
            "description": "Parapsoriasis, unspecified",
            "attributes": null
          },
          {
            "code": "L42",
            "description": "Pityriasis rosea",
            "attributes": null
          },
          {
            "code": "L43",
            "description": "Lichen planus",
            "attributes": null
          },
          {
            "code": "L430",
            "description": "Hypertrophic lichen planus",
            "attributes": null
          },
          {
            "code": "L431",
            "description": "Bullous lichen planus",
            "attributes": null
          },
          {
            "code": "L432",
            "description": "Lichenoid drug reaction",
            "attributes": null
          },
          {
            "code": "L433",
            "description": "Subacute (active) lichen planus",
            "attributes": null
          },
          {
            "code": "L438",
            "description": "Other lichen planus",
            "attributes": null
          },
          {
            "code": "L439",
            "description": "Lichen planus, unspecified",
            "attributes": null
          },
          {
            "code": "L44",
            "description": "Other papulosquamous disorders",
            "attributes": null
          },
          {
            "code": "L440",
            "description": "Pityriasis rubra pilaris",
            "attributes": null
          },
          {
            "code": "L441",
            "description": "Lichen nitidus",
            "attributes": null
          },
          {
            "code": "L442",
            "description": "Lichen striatus",
            "attributes": null
          },
          {
            "code": "L443",
            "description": "Lichen ruber moniliformis",
            "attributes": null
          },
          {
            "code": "L444",
            "description": "Infantile papular acrodermatitis [Giannotti-Crosti]",
            "attributes": null
          },
          {
            "code": "L448",
            "description": "Other specified papulosquamous disorders",
            "attributes": null
          },
          {
            "code": "L449",
            "description": "Papulosquamous disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L45",
            "description": "Papulosquamous disorders in diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "L50",
            "description": "Urticaria",
            "attributes": null
          },
          {
            "code": "L500",
            "description": "Allergic urticaria",
            "attributes": null
          },
          {
            "code": "L501",
            "description": "Idiopathic urticaria",
            "attributes": null
          },
          {
            "code": "L502",
            "description": "Urticaria due to cold and heat",
            "attributes": null
          },
          {
            "code": "L503",
            "description": "Dermatographic urticaria",
            "attributes": null
          },
          {
            "code": "L504",
            "description": "Vibratory urticaria",
            "attributes": null
          },
          {
            "code": "L505",
            "description": "Cholinergic urticaria",
            "attributes": null
          },
          {
            "code": "L506",
            "description": "Contact urticaria",
            "attributes": null
          },
          {
            "code": "L508",
            "description": "Other urticaria",
            "attributes": null
          },
          {
            "code": "L509",
            "description": "Urticaria, unspecified",
            "attributes": null
          },
          {
            "code": "L50-L54",
            "description": "Urticaria and erythema",
            "attributes": null
          },
          {
            "code": "L51",
            "description": "Erythema multiforme",
            "attributes": null
          },
          {
            "code": "L510",
            "description": "Nonbullous erythema multiforme",
            "attributes": null
          },
          {
            "code": "L511",
            "description": "Bullous erythema multiforme",
            "attributes": null
          },
          {
            "code": "L512",
            "description": "Toxic epidermal necrolysis [Lyell]",
            "attributes": null
          },
          {
            "code": "L518",
            "description": "Other erythema multiforme",
            "attributes": null
          },
          {
            "code": "L519",
            "description": "Erythema multiforme, unspecified",
            "attributes": null
          },
          {
            "code": "L52",
            "description": "Erythema nodosum",
            "attributes": null
          },
          {
            "code": "L53",
            "description": "Other erythematous conditions",
            "attributes": null
          },
          {
            "code": "L530",
            "description": "Toxic erythema",
            "attributes": null
          },
          {
            "code": "L531",
            "description": "Erythema annulare centrifugum",
            "attributes": null
          },
          {
            "code": "L532",
            "description": "Erythema marginatum",
            "attributes": null
          },
          {
            "code": "L533",
            "description": "Other chronic figurate erythema",
            "attributes": null
          },
          {
            "code": "L538",
            "description": "Other specified erythematous conditions",
            "attributes": null
          },
          {
            "code": "L539",
            "description": "Erythematous condition, unspecified",
            "attributes": null
          },
          {
            "code": "L54",
            "description": "Erythema in diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "L540",
            "description": "Erythema marginatum in acute rheumatic fever I00",
            "attributes": null
          },
          {
            "code": "L548",
            "description": "Erythema in other diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "L55",
            "description": "Sunburn",
            "attributes": null
          },
          {
            "code": "L550",
            "description": "Sunburn of first degree",
            "attributes": null
          },
          {
            "code": "L551",
            "description": "Sunburn of second degree",
            "attributes": null
          },
          {
            "code": "L552",
            "description": "Sunburn of third degree",
            "attributes": null
          },
          {
            "code": "L558",
            "description": "Other sunburn",
            "attributes": null
          },
          {
            "code": "L559",
            "description": "Sunburn, unspecified",
            "attributes": null
          },
          {
            "code": "L55-L59",
            "description": "Radiation-related disorders of the skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L56",
            "description": "Other acute skin changes due to ultraviolet radiation",
            "attributes": null
          },
          {
            "code": "L560",
            "description": "Drug phototoxic response",
            "attributes": null
          },
          {
            "code": "L561",
            "description": "Drug photoallergic response",
            "attributes": null
          },
          {
            "code": "L562",
            "description": "Photocontact dermatitis [berloque dermatitis]",
            "attributes": null
          },
          {
            "code": "L563",
            "description": "Solar urticaria",
            "attributes": null
          },
          {
            "code": "L564",
            "description": "Polymorphous light eruption",
            "attributes": null
          },
          {
            "code": "L568",
            "description": "Other specified acute skin changes due to ultraviolet radiation",
            "attributes": null
          },
          {
            "code": "L569",
            "description": "Acute skin change due to ultraviolet radiation, unspecified",
            "attributes": null
          },
          {
            "code": "L57",
            "description": "Skin changes due to chronic exposure to nonionizing radiation",
            "attributes": null
          },
          {
            "code": "L570",
            "description": "Actinic keratosis",
            "attributes": null
          },
          {
            "code": "L571",
            "description": "Actinic reticuloid",
            "attributes": null
          },
          {
            "code": "L572",
            "description": "Cutis rhomboidalis nuchae",
            "attributes": null
          },
          {
            "code": "L573",
            "description": "Poikiloderma of Civatte",
            "attributes": null
          },
          {
            "code": "L574",
            "description": "Cutis laxa senilis",
            "attributes": null
          },
          {
            "code": "L575",
            "description": "Actinic granuloma",
            "attributes": null
          },
          {
            "code": "L578",
            "description": "Other skin changes due to chronic exposure to nonionizing radiation",
            "attributes": null
          },
          {
            "code": "L579",
            "description": "Skin changes due to chronic exposure to nonionizing radiation, unspecified",
            "attributes": null
          },
          {
            "code": "L58",
            "description": "Radiodermatitis",
            "attributes": null
          },
          {
            "code": "L580",
            "description": "Acute radiodermatitis",
            "attributes": null
          },
          {
            "code": "L581",
            "description": "Chronic radiodermatitis",
            "attributes": null
          },
          {
            "code": "L589",
            "description": "Radiodermatitis, unspecified",
            "attributes": null
          },
          {
            "code": "L59",
            "description": "Other disorders of skin and subcutaneous tissue related to radiation",
            "attributes": null
          },
          {
            "code": "L590",
            "description": "Erythema ab igne [dermatitis ab igne]",
            "attributes": null
          },
          {
            "code": "L598",
            "description": "Other specified disorders of skin and subcutaneous tissue related to radiation",
            "attributes": null
          },
          {
            "code": "L599",
            "description": "Disorder of skin and subcutaneous tissue related to radiation, unspecified",
            "attributes": null
          },
          {
            "code": "L60",
            "description": "Nail disorders",
            "attributes": null
          },
          {
            "code": "L600",
            "description": "Ingrowing nail",
            "attributes": null
          },
          {
            "code": "L601",
            "description": "Onycholysis",
            "attributes": null
          },
          {
            "code": "L602",
            "description": "Onychogryphosis",
            "attributes": null
          },
          {
            "code": "L603",
            "description": "Nail dystrophy",
            "attributes": null
          },
          {
            "code": "L604",
            "description": "Beau lines",
            "attributes": null
          },
          {
            "code": "L605",
            "description": "Yellow nail syndrome",
            "attributes": null
          },
          {
            "code": "L608",
            "description": "Other nail disorders",
            "attributes": null
          },
          {
            "code": "L609",
            "description": "Nail disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L60-L75",
            "description": "Disorders of skin appendages",
            "attributes": null
          },
          {
            "code": "L62",
            "description": "Nail disorders in diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "L620",
            "description": "Clubbed nail pachydermoperiostosis M89.4",
            "attributes": null
          },
          {
            "code": "L628",
            "description": "Nail disorders in other diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "L63",
            "description": "Alopecia areata",
            "attributes": null
          },
          {
            "code": "L630",
            "description": "Alopecia (capitis) totalis",
            "attributes": null
          },
          {
            "code": "L631",
            "description": "Alopecia universalis",
            "attributes": null
          },
          {
            "code": "L632",
            "description": "Ophiasis",
            "attributes": null
          },
          {
            "code": "L638",
            "description": "Other alopecia areata",
            "attributes": null
          },
          {
            "code": "L639",
            "description": "Alopecia areata, unspecified",
            "attributes": null
          },
          {
            "code": "L64",
            "description": "Androgenic alopecia",
            "attributes": null
          },
          {
            "code": "L640",
            "description": "Drug-induced androgenic alopecia",
            "attributes": null
          },
          {
            "code": "L648",
            "description": "Other androgenic alopecia",
            "attributes": null
          },
          {
            "code": "L649",
            "description": "Androgenic alopecia, unspecified",
            "attributes": null
          },
          {
            "code": "L65",
            "description": "Other nonscarring hair loss",
            "attributes": null
          },
          {
            "code": "L650",
            "description": "Telogen effluvium",
            "attributes": null
          },
          {
            "code": "L651",
            "description": "Anagen effluvium",
            "attributes": null
          },
          {
            "code": "L652",
            "description": "Alopecia mucinosa",
            "attributes": null
          },
          {
            "code": "L658",
            "description": "Other specified nonscarring hair loss",
            "attributes": null
          },
          {
            "code": "L659",
            "description": "Nonscarring hair loss, unspecified",
            "attributes": null
          },
          {
            "code": "L66",
            "description": "Cicatricial alopecia [scarring hair loss]",
            "attributes": null
          },
          {
            "code": "L660",
            "description": "Pseudopelade",
            "attributes": null
          },
          {
            "code": "L661",
            "description": "Lichen planopilaris",
            "attributes": null
          },
          {
            "code": "L662",
            "description": "Folliculitis decalvans",
            "attributes": null
          },
          {
            "code": "L663",
            "description": "Perifolliculitis capitis abscedens",
            "attributes": null
          },
          {
            "code": "L664",
            "description": "Folliculitis ulerythematosa reticulata",
            "attributes": null
          },
          {
            "code": "L668",
            "description": "Other cicatricial alopecia",
            "attributes": null
          },
          {
            "code": "L669",
            "description": "Cicatricial alopecia, unspecified",
            "attributes": null
          },
          {
            "code": "L67",
            "description": "Hair colour and hair shaft abnormalities",
            "attributes": null
          },
          {
            "code": "L670",
            "description": "Trichorrhexis nodosa",
            "attributes": null
          },
          {
            "code": "L671",
            "description": "Variations in hair colour",
            "attributes": null
          },
          {
            "code": "L678",
            "description": "Other hair colour and hair shaft abnormalities",
            "attributes": null
          },
          {
            "code": "L679",
            "description": "Hair colour and hair shaft abnormality, unspecified",
            "attributes": null
          },
          {
            "code": "L68",
            "description": "Hypertrichosis",
            "attributes": null
          },
          {
            "code": "L680",
            "description": "Hirsutism",
            "attributes": null
          },
          {
            "code": "L681",
            "description": "Acquired hypertrichosis lanuginosa",
            "attributes": null
          },
          {
            "code": "L682",
            "description": "Localized hypertrichosis",
            "attributes": null
          },
          {
            "code": "L683",
            "description": "Polytrichia",
            "attributes": null
          },
          {
            "code": "L688",
            "description": "Other hypertrichosis",
            "attributes": null
          },
          {
            "code": "L689",
            "description": "Hypertrichosis, unspecified",
            "attributes": null
          },
          {
            "code": "L70",
            "description": "Acne",
            "attributes": null
          },
          {
            "code": "L700",
            "description": "Acne vulgaris",
            "attributes": null
          },
          {
            "code": "L701",
            "description": "Acne conglobata",
            "attributes": null
          },
          {
            "code": "L702",
            "description": "Acne varioliformis",
            "attributes": null
          },
          {
            "code": "L703",
            "description": "Acne tropica",
            "attributes": null
          },
          {
            "code": "L704",
            "description": "Infantile acne",
            "attributes": null
          },
          {
            "code": "L705",
            "description": "Acné excoriée",
            "attributes": null
          },
          {
            "code": "L708",
            "description": "Other acne",
            "attributes": null
          },
          {
            "code": "L709",
            "description": "Acne, unspecified",
            "attributes": null
          },
          {
            "code": "L71",
            "description": "Rosacea",
            "attributes": null
          },
          {
            "code": "L710",
            "description": "Perioral dermatitis",
            "attributes": null
          },
          {
            "code": "L711",
            "description": "Rhinophyma",
            "attributes": null
          },
          {
            "code": "L718",
            "description": "Other rosacea",
            "attributes": null
          },
          {
            "code": "L719",
            "description": "Rosacea, unspecified",
            "attributes": null
          },
          {
            "code": "L72",
            "description": "Follicular cysts of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L720",
            "description": "Epidermal cyst",
            "attributes": null
          },
          {
            "code": "L721",
            "description": "Trichilemmal cyst",
            "attributes": null
          },
          {
            "code": "L722",
            "description": "Steatocystoma multiplex",
            "attributes": null
          },
          {
            "code": "L728",
            "description": "Other follicular cysts of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L729",
            "description": "Follicular cyst of skin and subcutaneous tissue, unspecified",
            "attributes": null
          },
          {
            "code": "L73",
            "description": "Other follicular disorders",
            "attributes": null
          },
          {
            "code": "L730",
            "description": "Acne keloid",
            "attributes": null
          },
          {
            "code": "L731",
            "description": "Pseudofolliculitis barbae",
            "attributes": null
          },
          {
            "code": "L732",
            "description": "Hidradenitis suppurativa",
            "attributes": null
          },
          {
            "code": "L738",
            "description": "Other specified follicular disorders",
            "attributes": null
          },
          {
            "code": "L739",
            "description": "Follicular disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L74",
            "description": "Eccrine sweat disorders",
            "attributes": null
          },
          {
            "code": "L740",
            "description": "Miliaria rubra",
            "attributes": null
          },
          {
            "code": "L741",
            "description": "Miliaria crystallina",
            "attributes": null
          },
          {
            "code": "L742",
            "description": "Miliaria profunda",
            "attributes": null
          },
          {
            "code": "L743",
            "description": "Miliaria, unspecified",
            "attributes": null
          },
          {
            "code": "L744",
            "description": "Anhidrosis",
            "attributes": null
          },
          {
            "code": "L748",
            "description": "Other eccrine sweat disorders",
            "attributes": null
          },
          {
            "code": "L749",
            "description": "Eccrine sweat disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L75",
            "description": "Apocrine sweat disorders",
            "attributes": null
          },
          {
            "code": "L750",
            "description": "Bromhidrosis",
            "attributes": null
          },
          {
            "code": "L751",
            "description": "Chromhidrosis",
            "attributes": null
          },
          {
            "code": "L752",
            "description": "Apocrine miliaria",
            "attributes": null
          },
          {
            "code": "L758",
            "description": "Other apocrine sweat disorders",
            "attributes": null
          },
          {
            "code": "L759",
            "description": "Apocrine sweat disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L80",
            "description": "Vitiligo",
            "attributes": null
          },
          {
            "code": "L80-L99",
            "description": "Other disorders of the skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L81",
            "description": "Other disorders of pigmentation",
            "attributes": null
          },
          {
            "code": "L810",
            "description": "Postinflammatory hyperpigmentation",
            "attributes": null
          },
          {
            "code": "L811",
            "description": "Chloasma",
            "attributes": null
          },
          {
            "code": "L812",
            "description": "Freckles",
            "attributes": null
          },
          {
            "code": "L813",
            "description": "Café au lait spots",
            "attributes": null
          },
          {
            "code": "L814",
            "description": "Other melanin hyperpigmentation",
            "attributes": null
          },
          {
            "code": "L815",
            "description": "Leukoderma, not elsewhere classified",
            "attributes": null
          },
          {
            "code": "L816",
            "description": "Other disorders of diminished melanin formation",
            "attributes": null
          },
          {
            "code": "L817",
            "description": "Pigmented purpuric dermatosis",
            "attributes": null
          },
          {
            "code": "L818",
            "description": "Other specified disorders of pigmentation",
            "attributes": null
          },
          {
            "code": "L819",
            "description": "Disorder of pigmentation, unspecified",
            "attributes": null
          },
          {
            "code": "L82",
            "description": "Seborrhoeic keratosis",
            "attributes": null
          },
          {
            "code": "L83",
            "description": "Acanthosis nigricans",
            "attributes": null
          },
          {
            "code": "L84",
            "description": "Corns and callosities",
            "attributes": null
          },
          {
            "code": "L85",
            "description": "Other epidermal thickening",
            "attributes": null
          },
          {
            "code": "L850",
            "description": "Acquired ichthyosis",
            "attributes": null
          },
          {
            "code": "L851",
            "description": "Acquired keratosis [keratoderma] palmaris et plantaris",
            "attributes": null
          },
          {
            "code": "L852",
            "description": "Keratosis punctata (palmaris et plantaris)",
            "attributes": null
          },
          {
            "code": "L853",
            "description": "Xerosis cutis",
            "attributes": null
          },
          {
            "code": "L858",
            "description": "Other specified epidermal thickening",
            "attributes": null
          },
          {
            "code": "L859",
            "description": "Epidermal thickening, unspecified",
            "attributes": null
          },
          {
            "code": "L86",
            "description": "Keratoderma in diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "L87",
            "description": "Transepidermal elimination disorders",
            "attributes": null
          },
          {
            "code": "L870",
            "description": "Keratosis follicularis et parafollicularis in cutem penetrans [Kyrle]",
            "attributes": null
          },
          {
            "code": "L871",
            "description": "Reactive perforating collagenosis",
            "attributes": null
          },
          {
            "code": "L872",
            "description": "Elastosis perforans serpiginosa",
            "attributes": null
          },
          {
            "code": "L878",
            "description": "Other transepidermal elimination disorders",
            "attributes": null
          },
          {
            "code": "L879",
            "description": "Transepidermal elimination disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L88",
            "description": "Pyoderma gangrenosum",
            "attributes": null
          },
          {
            "code": "L89",
            "description": "Decubitus ulcer and pressure area",
            "attributes": null
          },
          {
            "code": "L890",
            "description": "Stage I decubitus ulcer and pressure area",
            "attributes": null
          },
          {
            "code": "L891",
            "description": "Stage II decubitus ulcer",
            "attributes": null
          },
          {
            "code": "L892",
            "description": "Stage III decubitus ulcer",
            "attributes": null
          },
          {
            "code": "L893",
            "description": "Stage IV decubitus ulcer",
            "attributes": null
          },
          {
            "code": "L899",
            "description": "Decubitus ulcer and pressure area, unspecified",
            "attributes": null
          },
          {
            "code": "L90",
            "description": "Atrophic disorders of skin",
            "attributes": null
          },
          {
            "code": "L900",
            "description": "Lichen sclerosus et atrophicus",
            "attributes": null
          },
          {
            "code": "L901",
            "description": "Anetoderma of Schweninger-Buzzi",
            "attributes": null
          },
          {
            "code": "L902",
            "description": "Anetoderma of Jadassohn-Pellizzari",
            "attributes": null
          },
          {
            "code": "L903",
            "description": "Atrophoderma of Pasini and Pierini",
            "attributes": null
          },
          {
            "code": "L904",
            "description": "Acrodermatitis chronica atrophicans",
            "attributes": null
          },
          {
            "code": "L905",
            "description": "Scar conditions and fibrosis of skin",
            "attributes": null
          },
          {
            "code": "L906",
            "description": "Striae atrophicae",
            "attributes": null
          },
          {
            "code": "L908",
            "description": "Other atrophic disorders of skin",
            "attributes": null
          },
          {
            "code": "L909",
            "description": "Atrophic disorder of skin, unspecified",
            "attributes": null
          },
          {
            "code": "L91",
            "description": "Hypertrophic disorders of skin",
            "attributes": null
          },
          {
            "code": "L910",
            "description": "Hypertrophic scar",
            "attributes": null
          },
          {
            "code": "L918",
            "description": "Other hypertrophic disorders of skin",
            "attributes": null
          },
          {
            "code": "L919",
            "description": "Hypertrophic disorder of skin, unspecified",
            "attributes": null
          },
          {
            "code": "L92",
            "description": "Granulomatous disorders of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L920",
            "description": "Granuloma annulare",
            "attributes": null
          },
          {
            "code": "L921",
            "description": "Necrobiosis lipoidica, not elsewhere classified",
            "attributes": null
          },
          {
            "code": "L922",
            "description": "Granuloma faciale [eosinophilic granuloma of skin]",
            "attributes": null
          },
          {
            "code": "L923",
            "description": "Foreign body granuloma of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L928",
            "description": "Other granulomatous disorders of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L929",
            "description": "Granulomatous disorder of skin and subcutaneous tissue, unspecified",
            "attributes": null
          },
          {
            "code": "L93",
            "description": "Lupus erythematosus",
            "attributes": null
          },
          {
            "code": "L930",
            "description": "Discoid lupus erythematosus",
            "attributes": null
          },
          {
            "code": "L931",
            "description": "Subacute cutaneous lupus erythematosus",
            "attributes": null
          },
          {
            "code": "L932",
            "description": "Other local lupus erythematosus",
            "attributes": null
          },
          {
            "code": "L94",
            "description": "Other localized connective tissue disorders",
            "attributes": null
          },
          {
            "code": "L940",
            "description": "Localized scleroderma [morphea]",
            "attributes": null
          },
          {
            "code": "L941",
            "description": "Linear scleroderma",
            "attributes": null
          },
          {
            "code": "L942",
            "description": "Calcinosis cutis",
            "attributes": null
          },
          {
            "code": "L943",
            "description": "Sclerodactyly",
            "attributes": null
          },
          {
            "code": "L944",
            "description": "Gottron papules",
            "attributes": null
          },
          {
            "code": "L945",
            "description": "Poikiloderma vasculare atrophicans",
            "attributes": null
          },
          {
            "code": "L946",
            "description": "Ainhum",
            "attributes": null
          },
          {
            "code": "L948",
            "description": "Other specified localized connective tissue disorders",
            "attributes": null
          },
          {
            "code": "L949",
            "description": "Localized connective tissue disorder, unspecified",
            "attributes": null
          },
          {
            "code": "L95",
            "description": "Vasculitis limited to skin, not elsewhere classified",
            "attributes": null
          },
          {
            "code": "L950",
            "description": "Livedoid vasculitis",
            "attributes": null
          },
          {
            "code": "L951",
            "description": "Erythema elevatum diutinum",
            "attributes": null
          },
          {
            "code": "L958",
            "description": "Other vasculitis limited to skin",
            "attributes": null
          },
          {
            "code": "L959",
            "description": "Vasculitis limited to skin, unspecified",
            "attributes": null
          },
          {
            "code": "L97",
            "description": "Ulcer of lower limb, not elsewhere classified",
            "attributes": null
          },
          {
            "code": "L98",
            "description": "Other disorders of skin and subcutaneous tissue, not elsewhere classified",
            "attributes": null
          },
          {
            "code": "L980",
            "description": "Pyogenic granuloma",
            "attributes": null
          },
          {
            "code": "L981",
            "description": "Factitial dermatitis",
            "attributes": null
          },
          {
            "code": "L982",
            "description": "Febrile neutrophilic dermatosis [Sweet]",
            "attributes": null
          },
          {
            "code": "L983",
            "description": "Eosinophilic cellulitis [Wells]",
            "attributes": null
          },
          {
            "code": "L984",
            "description": "Chronic ulcer of skin, not elsewhere classified",
            "attributes": null
          },
          {
            "code": "L985",
            "description": "Mucinosis of skin",
            "attributes": null
          },
          {
            "code": "L986",
            "description": "Other infiltrative disorders of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L987",
            "description": "Excessive and redundant skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L988",
            "description": "Other specified disorders of skin and subcutaneous tissue",
            "attributes": null
          },
          {
            "code": "L989",
            "description": "Disorder of skin and subcutaneous tissue, unspecified",
            "attributes": null
          },
          {
            "code": "L99",
            "description": "Other disorders of skin and subcutaneous tissue in diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "L990",
            "description": "Amyloidosis of skin E85.-",
            "attributes": null
          },
          {
            "code": "L998",
            "description": "Other specified disorders of skin and subcutaneous tissue in diseases classified elsewhere",
            "attributes": null
          },
          {
            "code": "XII",
            "description": "Diseases of the skin and subcutaneous tissue",
            "attributes": null
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "7d3a6e0f",
    "open_codelist_version_tag": "",
    "status": 1,
    "doi": "https://doi.org/10.48533/pbbf-bg02",
    "is_deleted": false,
    "publish_status": 2,
    "owner": "ieuan.scanlon",
    "template": {
      "id": 3,
      "name": "OpenCodelists Phenotype",
      "description": "OpenSafely's OpenCodelist Phenotype, visit https://www.opencodelists.org/ to learn more",
      "version_id": 1
    },
    "versions": [
      {
        "version_id": 8522,
        "version_name": "ICD-10 Chapter XII",
        "version_date": "2026-01-26T23:19:00.473749Z",
        "is_published": true,
        "is_latest": true
      }
    ]
  }
]