[
  {
    "phenotype_id": "PH3528",
    "phenotype_version_id": 8592,
    "name": "Leukotriene receptor antagonist medication",
    "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\nA list of leukotriene receptor antagonists (LTRA) preparations at VMP and AMP from the NHS Dictionary of Medicines and Devices.\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": "2026-01-26T23:21:10.549302Z",
    "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": "2026-01-26T23:21:10.540639Z",
    "references": [
      {
        "url": "https://github.com/ebmdatalab/respiratory-meds-covid-codelist-notebook/blob/master/notebooks/ltra.ipynb",
        "title": "Jupyter Notebook"
      },
      {
        "url": "https://github.com/ebmdatalab/opencorona-ics-research/issues/17",
        "title": "GitHub discussion"
      }
    ],
    "signed_off": [],
    "methodology": "All BNF codes beginning `030302` were included.\n\n",
    "coding_system": [
      {
        "name": "dm+d codes",
        "value": 23
      }
    ],
    "open_codelist_id": "opensafely/leukotriene-receptor-antagonist-medication",
    "source_reference": "https://www.opencodelists.org/codelist/opensafely/leukotriene-receptor-antagonist-medication/2020-05-05",
    "concept_information": [
      {
        "concept_id": 8769,
        "concept_version_id": 16254,
        "concept_name": "opensafely/leukotriene-receptor-antagonist-medication/2020-05-05",
        "coding_system": {
          "id": 23,
          "name": "dm+d codes",
          "description": "dm+d codes"
        },
        "phenotype_id": "PH3528",
        "phenotype_version_id": 8592,
        "phenotype_name": "Leukotriene receptor antagonist medication",
        "code_attribute_header": [
          "id",
          "type",
          "bnf_code"
        ],
        "codes": [
          {
            "code": "134510006",
            "description": "Montelukast 4mg chewable tablets sugar free",
            "attributes": {
              "id": "134510006",
              "type": "vmp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "22106311000001108",
            "description": "Montelukast 4mg chewable tablets sugar free (Actavis UK Ltd)",
            "attributes": {
              "id": "22106311000001108",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "22106511000001102",
            "description": "Montelukast 5mg chewable tablets sugar free (Actavis UK Ltd)",
            "attributes": {
              "id": "22106511000001102",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "22106711000001107",
            "description": "Montelukast 10mg tablets (Actavis UK Ltd)",
            "attributes": {
              "id": "22106711000001107",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "22111911000001102",
            "description": "Montelukast 10mg tablets (Teva UK Ltd)",
            "attributes": {
              "id": "22111911000001102",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "22112411000001100",
            "description": "Montelukast 4mg chewable tablets sugar free (Teva UK Ltd)",
            "attributes": {
              "id": "22112411000001100",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "22112611000001102",
            "description": "Montelukast 5mg chewable tablets sugar free (Teva UK Ltd)",
            "attributes": {
              "id": "22112611000001102",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "22112811000001103",
            "description": "Montelukast 4mg granules sachets sugar free (Teva UK Ltd)",
            "attributes": {
              "id": "22112811000001103",
              "type": "amp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "22129111000001105",
            "description": "Montelukast 10mg tablets (A A H Pharmaceuticals Ltd)",
            "attributes": {
              "id": "22129111000001105",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "22156811000001105",
            "description": "Montelukast 4mg chewable tablets sugar free (A A H Pharmaceuticals Ltd)",
            "attributes": {
              "id": "22156811000001105",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "22157111000001100",
            "description": "Montelukast 5mg chewable tablets sugar free (A A H Pharmaceuticals Ltd)",
            "attributes": {
              "id": "22157111000001100",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "22157311000001103",
            "description": "Montelukast 4mg granules sachets sugar free (A A H Pharmaceuticals Ltd)",
            "attributes": {
              "id": "22157311000001103",
              "type": "amp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "22164911000001100",
            "description": "Montelukast 10mg tablets (Alliance Healthcare (Distribution) Ltd)",
            "attributes": {
              "id": "22164911000001100",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "22165111000001104",
            "description": "Montelukast 4mg chewable tablets sugar free (Alliance Healthcare (Distribution) Ltd)",
            "attributes": {
              "id": "22165111000001104",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "22165311000001102",
            "description": "Montelukast 5mg chewable tablets sugar free (Alliance Healthcare (Distribution) Ltd)",
            "attributes": {
              "id": "22165311000001102",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "22165511000001108",
            "description": "Montelukast 4mg granules sachets sugar free (Alliance Healthcare (Distribution) Ltd)",
            "attributes": {
              "id": "22165511000001108",
              "type": "amp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "22217311000001106",
            "description": "Montelukast 4mg chewable tablets sugar free (Consilient Health Ltd)",
            "attributes": {
              "id": "22217311000001106",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "22217511000001100",
            "description": "Montelukast 5mg chewable tablets sugar free (Consilient Health Ltd)",
            "attributes": {
              "id": "22217511000001100",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "22217711000001105",
            "description": "Montelukast 10mg tablets (Consilient Health Ltd)",
            "attributes": {
              "id": "22217711000001105",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "22351611000001108",
            "description": "Montelukast 10mg tablets (Dexcel-Pharma Ltd)",
            "attributes": {
              "id": "22351611000001108",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "22352011000001109",
            "description": "Montelukast 5mg chewable tablets sugar free (Dexcel-Pharma Ltd)",
            "attributes": {
              "id": "22352011000001109",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "22352211000001104",
            "description": "Montelukast 4mg chewable tablets sugar free (Dexcel-Pharma Ltd)",
            "attributes": {
              "id": "22352211000001104",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "22497111000001107",
            "description": "Montelukast 10mg tablets (Dr Reddy's Laboratories (UK) Ltd)",
            "attributes": {
              "id": "22497111000001107",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "22948111000001104",
            "description": "Montelukast 10mg tablets (Ranbaxy (UK) Ltd)",
            "attributes": {
              "id": "22948111000001104",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "22948311000001102",
            "description": "Montelukast 4mg chewable tablets sugar free (Ranbaxy (UK) Ltd)",
            "attributes": {
              "id": "22948311000001102",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "22948511000001108",
            "description": "Montelukast 5mg chewable tablets sugar free (Ranbaxy (UK) Ltd)",
            "attributes": {
              "id": "22948511000001108",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "23484811000001100",
            "description": "Montelukast 10mg tablets (Accord Healthcare Ltd)",
            "attributes": {
              "id": "23484811000001100",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "23562811000001102",
            "description": "Montelukast 4mg chewable tablets sugar free (Accord Healthcare Ltd)",
            "attributes": {
              "id": "23562811000001102",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "23563511000001107",
            "description": "Montelukast 5mg chewable tablets sugar free (Accord Healthcare Ltd)",
            "attributes": {
              "id": "23563511000001107",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "23959611000001107",
            "description": "Montelukast 4mg chewable tablets sugar free (Milpharm Ltd)",
            "attributes": {
              "id": "23959611000001107",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "23960511000001107",
            "description": "Montelukast 5mg chewable tablets sugar free (Milpharm Ltd)",
            "attributes": {
              "id": "23960511000001107",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "23960811000001105",
            "description": "Montelukast 10mg tablets (Milpharm Ltd)",
            "attributes": {
              "id": "23960811000001105",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "23972911000001108",
            "description": "Montelukast 4mg chewable tablets sugar free (Dr Reddy's Laboratories (UK) Ltd)",
            "attributes": {
              "id": "23972911000001108",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "23973411000001109",
            "description": "Montelukast 5mg chewable tablets sugar free (Dr Reddy's Laboratories (UK) Ltd)",
            "attributes": {
              "id": "23973411000001109",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "24402611000001106",
            "description": "Montelukast 4mg chewable tablets sugar free (DE Pharmaceuticals)",
            "attributes": {
              "id": "24402611000001106",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "24402911000001100",
            "description": "Montelukast 5mg chewable tablets sugar free (DE Pharmaceuticals)",
            "attributes": {
              "id": "24402911000001100",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "24403311000001106",
            "description": "Montelukast 10mg tablets (DE Pharmaceuticals)",
            "attributes": {
              "id": "24403311000001106",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "24511811000001108",
            "description": "Montelukast 10mg tablets (Sandoz Ltd)",
            "attributes": {
              "id": "24511811000001108",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "24512811000001104",
            "description": "Montelukast 4mg chewable tablets sugar free (Sandoz Ltd)",
            "attributes": {
              "id": "24512811000001104",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "24513011000001101",
            "description": "Montelukast 5mg chewable tablets sugar free (Sandoz Ltd)",
            "attributes": {
              "id": "24513011000001101",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "24513311000001103",
            "description": "Montelukast 4mg granules sachets sugar free (Sandoz Ltd)",
            "attributes": {
              "id": "24513311000001103",
              "type": "amp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "29926511000001101",
            "description": "Montelukast 10mg tablets (Sigma Pharmaceuticals Plc)",
            "attributes": {
              "id": "29926511000001101",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "29926711000001106",
            "description": "Montelukast 4mg chewable tablets sugar free (Sigma Pharmaceuticals Plc)",
            "attributes": {
              "id": "29926711000001106",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "29926911000001108",
            "description": "Montelukast 5mg chewable tablets sugar free (Sigma Pharmaceuticals Plc)",
            "attributes": {
              "id": "29926911000001108",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "30833411000001103",
            "description": "Montelukast 4mg granules sachets sugar free (Mawdsley-Brooks & Company Ltd)",
            "attributes": {
              "id": "30833411000001103",
              "type": "amp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "30833611000001100",
            "description": "Montelukast 4mg chewable tablets sugar free (Mawdsley-Brooks & Company Ltd)",
            "attributes": {
              "id": "30833611000001100",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "30833811000001101",
            "description": "Montelukast 5mg chewable tablets sugar free (Mawdsley-Brooks & Company Ltd)",
            "attributes": {
              "id": "30833811000001101",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "30834011000001109",
            "description": "Montelukast 10mg tablets (Mawdsley-Brooks & Company Ltd)",
            "attributes": {
              "id": "30834011000001109",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "320884002",
            "description": "Montelukast 10mg tablets",
            "attributes": {
              "id": "320884002",
              "type": "vmp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "320885001",
            "description": "Montelukast 5mg chewable tablets sugar free",
            "attributes": {
              "id": "320885001",
              "type": "vmp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "320889007",
            "description": "Zafirlukast 20mg tablets",
            "attributes": {
              "id": "320889007",
              "type": "vmp",
              "bnf_code": "0303020Z0AAABAB"
            }
          },
          {
            "code": "34957311000001109",
            "description": "Montelukast 10mg tablets (Almus Pharmaceuticals Ltd)",
            "attributes": {
              "id": "34957311000001109",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "34957511000001103",
            "description": "Montelukast 4mg granules sachets sugar free (Almus Pharmaceuticals Ltd)",
            "attributes": {
              "id": "34957511000001103",
              "type": "amp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "36605511000001108",
            "description": "Montelukast 10mg tablets (Bristol Laboratories Ltd)",
            "attributes": {
              "id": "36605511000001108",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "36605711000001103",
            "description": "Montelukast 4mg chewable tablets sugar free (Bristol Laboratories Ltd)",
            "attributes": {
              "id": "36605711000001103",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "36605911000001101",
            "description": "Montelukast 5mg chewable tablets sugar free (Bristol Laboratories Ltd)",
            "attributes": {
              "id": "36605911000001101",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "36822311000001105",
            "description": "Montelukast 4mg chewable tablets sugar free (Torrent Pharma (UK) Ltd)",
            "attributes": {
              "id": "36822311000001105",
              "type": "amp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "36822511000001104",
            "description": "Montelukast 5mg chewable tablets sugar free (Torrent Pharma (UK) Ltd)",
            "attributes": {
              "id": "36822511000001104",
              "type": "amp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "36832211000001100",
            "description": "Montelukast 10mg tablets (Torrent Pharma (UK) Ltd)",
            "attributes": {
              "id": "36832211000001100",
              "type": "amp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "37453011000001109",
            "description": "Montelukast 4mg granules sachets sugar free (DE Pharmaceuticals)",
            "attributes": {
              "id": "37453011000001109",
              "type": "amp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "37534411000001105",
            "description": "Zafirlukast 20mg tablets (Special Order)",
            "attributes": {
              "id": "37534411000001105",
              "type": "amp",
              "bnf_code": "0303020Z0AAABAB"
            }
          },
          {
            "code": "410944008",
            "description": "Montelukast 4mg granules sachets sugar free",
            "attributes": {
              "id": "410944008",
              "type": "vmp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "42296311000001105",
            "description": "VMP subsequent to 320884002",
            "attributes": {
              "id": "42296311000001105",
              "type": "vmp",
              "bnf_code": "0303020G0AAABAB"
            }
          },
          {
            "code": "42296411000001103",
            "description": "VMP subsequent to 134510006",
            "attributes": {
              "id": "42296411000001103",
              "type": "vmp",
              "bnf_code": "0303020G0AAACAC"
            }
          },
          {
            "code": "42296511000001104",
            "description": "VMP subsequent to 410944008",
            "attributes": {
              "id": "42296511000001104",
              "type": "vmp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "42296611000001100",
            "description": "VMP subsequent to 320885001",
            "attributes": {
              "id": "42296611000001100",
              "type": "vmp",
              "bnf_code": "0303020G0AAAAAA"
            }
          },
          {
            "code": "42299411000001105",
            "description": "VMP subsequent to 320889007",
            "attributes": {
              "id": "42299411000001105",
              "type": "vmp",
              "bnf_code": "0303020Z0AAABAB"
            }
          },
          {
            "code": "6741711000001104",
            "description": "Singulair Paediatric 4mg granules sachets (Merck Sharp & Dohme Ltd)",
            "attributes": {
              "id": "6741711000001104",
              "type": "amp",
              "bnf_code": "0303020G0BBADAD"
            }
          },
          {
            "code": "6894111000001106",
            "description": "VMP previous to 410944008",
            "attributes": {
              "id": "6894111000001106",
              "type": "vmp",
              "bnf_code": "0303020G0AAADAD"
            }
          },
          {
            "code": "719811000001104",
            "description": "Singulair 10mg tablets (Merck Sharp & Dohme Ltd)",
            "attributes": {
              "id": "719811000001104",
              "type": "amp",
              "bnf_code": "0303020G0BBABAB"
            }
          },
          {
            "code": "863011000001109",
            "description": "Singulair Paediatric 4mg chewable tablets (Merck Sharp & Dohme Ltd)",
            "attributes": {
              "id": "863011000001109",
              "type": "amp",
              "bnf_code": "0303020G0BBACAC"
            }
          },
          {
            "code": "892311000001104",
            "description": "Singulair Paediatric 5mg chewable tablets (Merck Sharp & Dohme Ltd)",
            "attributes": {
              "id": "892311000001104",
              "type": "amp",
              "bnf_code": "0303020G0BBAAAA"
            }
          }
        ]
      }
    ],
    "coding_system_release": "",
    "open_codelist_version_id": "4a67a610",
    "open_codelist_version_tag": "2020-05-05",
    "status": 1,
    "doi": "https://doi.org/10.48533/cyhw-aj42",
    "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": 8592,
        "version_name": "Leukotriene receptor antagonist medication",
        "version_date": "2026-01-26T23:21:10.560638Z",
        "is_published": true,
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]