[ { "phenotype_id": "PH3486", "phenotype_version_id": 8529, "name": "ICD-10 Chapter XVIII", "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": "2026-01-26T23:19:20.895835Z", "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": "2026-01-26T23:19:20.889994Z", "references": [], "signed_off": [], "methodology": "", "coding_system": [ { "name": "ICD10 codes", "value": 4 } ], "open_codelist_id": "opensafely/icd-10-chapter-xviii", "source_reference": "https://www.opencodelists.org/codelist/opensafely/icd-10-chapter-xviii/66ddbad0", "concept_information": [ { "concept_id": 8706, "concept_version_id": 16191, "concept_name": "opensafely/icd-10-chapter-xviii/66ddbad0", "coding_system": { "id": 4, "name": "ICD10 codes", "description": "ICD10 Codes" }, "phenotype_id": "PH3486", "phenotype_version_id": 8529, "phenotype_name": "ICD-10 Chapter XVIII", "code_attribute_header": [], "codes": [ { "code": "R00", "description": "Abnormalities of heart beat", "attributes": null }, { "code": "R000", "description": "Tachycardia, unspecified", "attributes": null }, { "code": "R001", "description": "Bradycardia, unspecified", "attributes": null }, { "code": "R002", "description": "Palpitations", "attributes": null }, { "code": "R003", "description": "Pulseless electrical activity, not elsewhere classified", "attributes": null }, { "code": "R008", "description": "Other and unspecified abnormalities of heart beat", "attributes": null }, { "code": "R00-R09", "description": "Symptoms and signs involving the circulatory and respiratory systems", "attributes": null }, { "code": "R01", "description": "Cardiac murmurs and other cardiac sounds", "attributes": null }, { "code": "R010", "description": "Benign and innocent cardiac murmurs", "attributes": null }, { "code": "R011", "description": "Cardiac murmur, unspecified", "attributes": null }, { "code": "R012", "description": "Other cardiac sounds", "attributes": null }, { "code": "R02", "description": "Gangrene, not elsewhere classified", "attributes": null }, { "code": "R03", "description": "Abnormal blood-pressure reading, without diagnosis", "attributes": null }, { "code": "R030", "description": "Elevated blood-pressure reading, without diagnosis of hypertension", "attributes": null }, { "code": "R031", "description": "Nonspecific low blood-pressure reading", "attributes": null }, { "code": "R04", "description": "Haemorrhage from respiratory passages", "attributes": null }, { "code": "R040", "description": "Epistaxis", "attributes": null }, { "code": "R041", "description": "Haemorrhage from throat", "attributes": null }, { "code": "R042", "description": "Haemoptysis", "attributes": null }, { "code": "R048", "description": "Haemorrhage from other sites in respiratory passages", "attributes": null }, { "code": "R049", "description": "Haemorrhage from respiratory passages, unspecified", "attributes": null }, { "code": "R05", "description": "Cough", "attributes": null }, { "code": "R06", "description": "Abnormalities of breathing", "attributes": null }, { "code": "R060", "description": "Dyspnoea", "attributes": null }, { "code": "R061", "description": "Stridor", "attributes": null }, { "code": "R062", "description": "Wheezing", "attributes": null }, { "code": "R063", "description": "Periodic breathing", "attributes": null }, { "code": "R064", "description": "Hyperventilation", "attributes": null }, { "code": "R065", "description": "Mouth breathing", "attributes": null }, { "code": "R066", "description": "Hiccough", "attributes": null }, { "code": "R067", "description": "Sneezing", "attributes": null }, { "code": "R068", "description": "Other and unspecified abnormalities of breathing", "attributes": null }, { "code": "R07", "description": "Pain in throat and chest", "attributes": null }, { "code": "R070", "description": "Pain in throat", "attributes": null }, { "code": "R071", "description": "Chest pain on breathing", "attributes": null }, { "code": "R072", "description": "Precordial pain", "attributes": null }, { "code": "R073", "description": "Other chest pain", "attributes": null }, { "code": "R074", "description": "Chest pain, unspecified", "attributes": null }, { "code": "R09", "description": "Other symptoms and signs involving the circulatory and respiratory systems", "attributes": null }, { "code": "R090", "description": "Asphyxia", "attributes": null }, { "code": "R091", "description": "Pleurisy", "attributes": null }, { "code": "R092", "description": "Respiratory arrest", "attributes": null }, { "code": "R093", "description": "Abnormal sputum", "attributes": null }, { "code": "R098", "description": "Other specified symptoms and signs involving the circulatory and respiratory systems", "attributes": null }, { "code": "R10", "description": "Abdominal and pelvic pain", "attributes": null }, { "code": "R100", "description": "Acute abdomen", "attributes": null }, { "code": "R101", "description": "Pain localized to upper abdomen", "attributes": null }, { "code": "R102", "description": "Pelvic and perineal pain", "attributes": null }, { "code": "R103", "description": "Pain localized to other parts of lower abdomen", "attributes": null }, { "code": "R104", "description": "Other and unspecified abdominal pain", "attributes": null }, { "code": "R10-R19", "description": "Symptoms and signs involving the digestive system and abdomen", "attributes": null }, { "code": "R11", "description": "Nausea and vomiting", "attributes": null }, { "code": "R12", "description": "Heartburn", "attributes": null }, { "code": "R13", "description": "Dysphagia", "attributes": null }, { "code": "R14", "description": "Flatulence and related conditions", "attributes": null }, { "code": "R15", "description": "Faecal incontinence", "attributes": null }, { "code": "R16", "description": "Hepatomegaly and splenomegaly, not elsewhere classified", "attributes": null }, { "code": "R160", "description": "Hepatomegaly, not elsewhere classified", "attributes": null }, { "code": "R161", "description": "Splenomegaly, not elsewhere classified", "attributes": null }, { "code": "R162", "description": "Hepatomegaly with splenomegaly, not elsewhere classified", "attributes": null }, { "code": "R17", "description": "Hyperbilirubinaemia, with or without jaundice, not elsewhere classified", "attributes": null }, { "code": "R170", "description": "Hyperbilirubinaemia with mention of jaundice, not elsewhere classified", "attributes": null }, { "code": "R179", "description": "Hyperbilirubinaemia without mention of jaundice, not elsewhere classified", "attributes": null }, { "code": "R18", "description": "Ascites", "attributes": null }, { "code": "R19", "description": "Other symptoms and signs involving the digestive system and abdomen", "attributes": null }, { "code": "R190", "description": "Intra-abdominal and pelvic swelling, mass and lump", "attributes": null }, { "code": "R191", "description": "Abnormal bowel sounds", "attributes": null }, { "code": "R192", "description": "Visible peristalsis", "attributes": null }, { "code": "R193", "description": "Abdominal rigidity", "attributes": null }, { "code": "R194", "description": "Change in bowel habit", "attributes": null }, { "code": "R195", "description": "Other faecal abnormalities", "attributes": null }, { "code": "R196", "description": "Halitosis", "attributes": null }, { "code": "R198", "description": "Other specified symptoms and signs involving the digestive system and abdomen", "attributes": null }, { "code": "R20", "description": "Disturbances of skin sensation", "attributes": null }, { "code": "R200", "description": "Anaesthesia of skin", "attributes": null }, { "code": "R201", "description": "Hypoaesthesia of skin", "attributes": null }, { "code": "R202", "description": "Paraesthesia of skin", "attributes": null }, { "code": "R203", "description": "Hyperaesthesia", "attributes": null }, { "code": "R208", "description": "Other and unspecified disturbances of skin sensation", "attributes": null }, { "code": "R20-R23", "description": "Symptoms and signs involving the skin and subcutaneous tissue", "attributes": null }, { "code": "R21", "description": "Rash and other nonspecific skin eruption", "attributes": null }, { "code": "R22", "description": "Localized swelling, mass and lump of skin and subcutaneous tissue", "attributes": null }, { "code": "R220", "description": "Localized swelling, mass and lump, head", "attributes": null }, { "code": "R221", "description": "Localized swelling, mass and lump, neck", "attributes": null }, { "code": "R222", "description": "Localized swelling, mass and lump, trunk", "attributes": null }, { "code": "R223", "description": "Localized swelling, mass and lump, upper limb", "attributes": null }, { "code": "R224", "description": "Localized swelling, mass and lump, lower limb", "attributes": null }, { "code": "R227", "description": "Localized swelling, mass and lump, multiple sites", "attributes": null }, { "code": "R229", "description": "Localized swelling, mass and lump, unspecified", "attributes": null }, { "code": "R23", "description": "Other skin changes", "attributes": null }, { "code": "R230", "description": "Cyanosis", "attributes": null }, { "code": "R231", "description": "Pallor", "attributes": null }, { "code": "R232", "description": "Flushing", "attributes": null }, { "code": "R233", "description": "Spontaneous ecchymoses", "attributes": null }, { "code": "R234", "description": "Changes in skin texture", "attributes": null }, { "code": "R238", "description": "Other and unspecified skin changes", "attributes": null }, { "code": "R25", "description": "Abnormal involuntary movements", "attributes": null }, { "code": "R250", "description": "Abnormal head movements", "attributes": null }, { "code": "R251", "description": "Tremor, unspecified", "attributes": null }, { "code": "R252", "description": "Cramp and spasm", "attributes": null }, { "code": "R253", "description": "Fasciculation", "attributes": null }, { "code": "R258", "description": "Other and unspecified abnormal involuntary movements", "attributes": null }, { "code": "R25-R29", "description": "Symptoms and signs involving the nervous and musculoskeletal systems", "attributes": null }, { "code": "R26", "description": "Abnormalities of gait and mobility", "attributes": null }, { "code": "R260", "description": "Ataxic gait", "attributes": null }, { "code": "R261", "description": "Paralytic gait", "attributes": null }, { "code": "R262", "description": "Difficulty in walking, not elsewhere classified", "attributes": null }, { "code": "R263", "description": "Immobility", "attributes": null }, { "code": "R268", "description": "Other and unspecified abnormalities of gait and mobility", "attributes": null }, { "code": "R27", "description": "Other lack of coordination", "attributes": null }, { "code": "R270", "description": "Ataxia, unspecified", "attributes": null }, { "code": "R278", "description": "Other and unspecified lack of coordination", "attributes": null }, { "code": "R29", "description": "Other symptoms and signs involving the nervous and musculoskeletal systems", "attributes": null }, { "code": "R290", "description": "Tetany", "attributes": null }, { "code": "R291", "description": "Meningismus", "attributes": null }, { "code": "R292", "description": "Abnormal reflex", "attributes": null }, { "code": "R293", "description": "Abnormal posture", "attributes": null }, { "code": "R294", "description": "Clicking hip", "attributes": null }, { "code": "R296", "description": "Tendency to fall, not elsewhere classified", "attributes": null }, { "code": "R298", "description": "Other and unspecified symptoms and signs involving the nervous and musculoskeletal systems", "attributes": null }, { "code": "R30", "description": "Pain associated with micturition", "attributes": null }, { "code": "R300", "description": "Dysuria", "attributes": null }, { "code": "R301", "description": "Vesical tenesmus", "attributes": null }, { "code": "R309", "description": "Painful micturition, unspecified", "attributes": null }, { "code": "R30-R39", "description": "Symptoms and signs involving the urinary system", "attributes": null }, { "code": "R31", "description": "Unspecified haematuria", "attributes": null }, { "code": "R32", "description": "Unspecified urinary incontinence", "attributes": null }, { "code": "R33", "description": "Retention of urine", "attributes": null }, { "code": "R34", "description": "Anuria and oliguria", "attributes": null }, { "code": "R35", "description": "Polyuria", "attributes": null }, { "code": "R36", "description": "Urethral discharge", "attributes": null }, { "code": "R39", "description": "Other symptoms and signs involving the urinary system", "attributes": null }, { "code": "R390", "description": "Extravasation of urine", "attributes": null }, { "code": "R391", "description": "Other difficulties with micturition", "attributes": null }, { "code": "R392", "description": "Extrarenal uraemia", "attributes": null }, { "code": "R398", "description": "Other and unspecified symptoms and signs involving the urinary system", "attributes": null }, { "code": "R40", "description": "Somnolence, stupor and coma", "attributes": null }, { "code": "R400", "description": "Somnolence", "attributes": null }, { "code": "R401", "description": "Stupor", "attributes": null }, { "code": "R402", "description": "Coma, unspecified", "attributes": null }, { "code": "R40-R46", "description": "Symptoms and signs involving cognition, perception, emotional state and behaviour", "attributes": null }, { "code": "R41", "description": "Other symptoms and signs involving cognitive functions and awareness", "attributes": null }, { "code": "R410", "description": "Disorientation, unspecified", "attributes": null }, { "code": "R411", "description": "Anterograde amnesia", "attributes": null }, { "code": "R412", "description": "Retrograde amnesia", "attributes": null }, { "code": "R413", "description": "Other amnesia", "attributes": null }, { "code": "R418", "description": "Other and unspecified symptoms and signs involving cognitive functions and awareness", "attributes": null }, { "code": "R42", "description": "Dizziness and giddiness", "attributes": null }, { "code": "R43", "description": "Disturbances of smell and taste", "attributes": null }, { "code": "R430", "description": "Anosmia", "attributes": null }, { "code": "R431", "description": "Parosmia", "attributes": null }, { "code": "R432", "description": "Parageusia", "attributes": null }, { "code": "R438", "description": "Other and unspecified disturbances of smell and taste", "attributes": null }, { "code": "R44", "description": "Other symptoms and signs involving general sensations and perceptions", "attributes": null }, { "code": "R440", "description": "Auditory hallucinations", "attributes": null }, { "code": "R441", "description": "Visual hallucinations", "attributes": null }, { "code": "R442", "description": "Other hallucinations", "attributes": null }, { "code": "R443", "description": "Hallucinations, unspecified", "attributes": null }, { "code": "R448", "description": "Other and unspecified symptoms and signs involving general sensations and perceptions", "attributes": null }, { "code": "R45", "description": "Symptoms and signs involving emotional state", "attributes": null }, { "code": "R450", "description": "Nervousness", "attributes": null }, { "code": "R451", "description": "Restlessness and agitation", "attributes": null }, { "code": "R452", "description": "Unhappiness", "attributes": null }, { "code": "R453", "description": "Demoralization and apathy", "attributes": null }, { "code": "R454", "description": "Irritability and anger", "attributes": null }, { "code": "R455", "description": "Hostility", "attributes": null }, { "code": "R456", "description": "Physical violence", "attributes": null }, { "code": "R457", "description": "State of emotional shock and stress, unspecified", "attributes": null }, { "code": "R458", "description": "Other symptoms and signs involving emotional state", "attributes": null }, { "code": "R46", "description": "Symptoms and signs involving appearance and behaviour", "attributes": null }, { "code": "R460", "description": "Very low level of personal hygiene", "attributes": null }, { "code": "R461", "description": "Bizarre personal appearance", "attributes": null }, { "code": "R462", "description": "Strange and inexplicable behaviour", "attributes": null }, { "code": "R463", "description": "Overactivity", "attributes": null }, { "code": "R464", "description": "Slowness and poor responsiveness", "attributes": null }, { "code": "R465", "description": "Suspiciousness and marked evasiveness", "attributes": null }, { "code": "R466", "description": "Undue concern and preoccupation with stressful events", "attributes": null }, { "code": "R467", "description": "Verbosity and circumstantial detail obscuring reason for contact", "attributes": null }, { "code": "R468", "description": "Other symptoms and signs involving appearance and behaviour", "attributes": null }, { "code": "R47", "description": "Speech disturbances, not elsewhere classified", "attributes": null }, { "code": "R470", "description": "Dysphasia and aphasia", "attributes": null }, { "code": "R471", "description": "Dysarthria and anarthria", "attributes": null }, { "code": "R478", "description": "Other and unspecified speech disturbances", "attributes": null }, { "code": "R47-R49", "description": "Symptoms and signs involving speech and voice", "attributes": null }, { "code": "R48", "description": "Dyslexia and other symbolic dysfunctions, not elsewhere classified", "attributes": null }, { "code": "R480", "description": "Dyslexia and alexia", "attributes": null }, { "code": "R481", "description": "Agnosia", "attributes": null }, { "code": "R482", "description": "Apraxia", "attributes": null }, { "code": "R488", "description": "Other and unspecified symbolic dysfunctions", "attributes": null }, { "code": "R49", "description": "Voice disturbances", "attributes": null }, { "code": "R490", "description": "Dysphonia", "attributes": null }, { "code": "R491", "description": "Aphonia", "attributes": null }, { "code": "R492", "description": "Hypernasality and hyponasality", "attributes": null }, { "code": "R498", "description": "Other and unspecified voice disturbances", "attributes": null }, { "code": "R50", "description": "Fever of other and unknown origin", "attributes": null }, { "code": "R502", "description": "Drug-induced fever", "attributes": null }, { "code": "R508", "description": "Other specified fever", "attributes": null }, { "code": "R509", "description": "Fever, unspecified", "attributes": null }, { "code": "R50-R69", "description": "General symptoms and signs", "attributes": null }, { "code": "R51", "description": "Headache", "attributes": null }, { "code": "R52", "description": "Pain, not elsewhere classified", "attributes": null }, { "code": "R520", "description": "Acute pain", "attributes": null }, { "code": "R521", "description": "Chronic intractable pain", "attributes": null }, { "code": "R522", "description": "Other chronic pain", "attributes": null }, { "code": "R529", "description": "Pain, unspecified", "attributes": null }, { "code": "R53", "description": "Malaise and fatigue", "attributes": null }, { "code": "R54", "description": "Senility", "attributes": null }, { "code": "R55", "description": "Syncope and collapse", "attributes": null }, { "code": "R56", "description": "Convulsions, not elsewhere classified", "attributes": null }, { "code": "R560", "description": "Febrile convulsions", "attributes": null }, { "code": "R568", "description": "Other and unspecified convulsions", "attributes": null }, { "code": "R57", "description": "Shock, not elsewhere classified", "attributes": null }, { "code": "R570", "description": "Cardiogenic shock", "attributes": null }, { "code": "R571", "description": "Hypovolaemic shock", "attributes": null }, { "code": "R572", "description": "Septic shock", "attributes": null }, { "code": "R578", "description": "Other shock", "attributes": null }, { "code": "R579", "description": "Shock, unspecified", "attributes": null }, { "code": "R58", "description": "Haemorrhage, not elsewhere classified", "attributes": null }, { "code": "R59", "description": "Enlarged lymph nodes", "attributes": null }, { "code": "R590", "description": "Localized enlarged lymph nodes", "attributes": null }, { "code": "R591", "description": "Generalized enlarged lymph nodes", "attributes": null }, { "code": "R599", "description": "Enlarged lymph nodes, unspecified", "attributes": null }, { "code": "R60", "description": "Oedema, not elsewhere classified", "attributes": null }, { "code": "R600", "description": "Localized oedema", "attributes": null }, { "code": "R601", "description": "Generalized oedema", "attributes": null }, { "code": "R609", "description": "Oedema, unspecified", "attributes": null }, { "code": "R61", "description": "Hyperhidrosis", "attributes": null }, { "code": "R610", "description": "Localized hyperhidrosis", "attributes": null }, { "code": "R611", "description": "Generalized hyperhidrosis", "attributes": null }, { "code": "R619", "description": "Hyperhidrosis, unspecified", "attributes": null }, { "code": "R62", "description": "Lack of expected normal physiological development", "attributes": null }, { "code": "R620", "description": "Delayed milestone", "attributes": null }, { "code": "R628", "description": "Other lack of expected normal physiological development", "attributes": null }, { "code": "R629", "description": "Lack of expected normal physiological development, unspecified", "attributes": null }, { "code": "R63", "description": "Symptoms and signs concerning food and fluid intake", "attributes": null }, { "code": "R630", "description": "Anorexia", "attributes": null }, { "code": "R631", "description": "Polydipsia", "attributes": null }, { "code": "R632", "description": "Polyphagia", "attributes": null }, { "code": "R633", "description": "Feeding difficulties and mismanagement", "attributes": null }, { "code": "R634", "description": "Abnormal weight loss", "attributes": null }, { "code": "R635", "description": "Abnormal weight gain", "attributes": null }, { "code": "R636", "description": "Insufficient intake of food and water", "attributes": null }, { "code": "R638", "description": "Other symptoms and signs concerning food and fluid intake", "attributes": null }, { "code": "R64", "description": "Cachexia", "attributes": null }, { "code": "R65", "description": "Systemic Inflammatory Response Syndrome [SIRS]", "attributes": null }, { "code": "R650", "description": "Systemic Inflammatory Response Syndrome of infectious origin without organ failure", "attributes": null }, { "code": "R651", "description": "Systemic Inflammatory Response Syndrome of infectious origin with organ failure", "attributes": null }, { "code": "R652", "description": "Systemic Inflammatory Response Syndrome of non-infectious origin without organ failure", "attributes": null }, { "code": "R653", "description": "Systemic Inflammatory Response Syndrome of non-infectious origin with organ failure", "attributes": null }, { "code": "R659", "description": "Systemic Inflammatory Response Syndrome, unspecified", "attributes": null }, { "code": "R68", "description": "Other general symptoms and signs", "attributes": null }, { "code": "R680", "description": "Hypothermia, not associated with low environmental temperature", "attributes": null }, { "code": "R681", "description": "Nonspecific symptoms peculiar to infancy", "attributes": null }, { "code": "R682", "description": "Dry mouth, unspecified", "attributes": null }, { "code": "R683", "description": "Clubbing of fingers", "attributes": null }, { "code": "R688", "description": "Other specified general symptoms and signs", "attributes": null }, { "code": "R69", "description": "Unknown and unspecified causes of morbidity", "attributes": null }, { "code": "R70", "description": "Elevated erythrocyte sedimentation rate and abnormality of plasma viscosity", "attributes": null }, { "code": "R700", "description": "Elevated erythrocyte sedimentation rate", "attributes": null }, { "code": "R701", "description": "Abnormal plasma viscosity", "attributes": null }, { "code": "R70-R79", "description": "Abnormal findings on examination of blood, without diagnosis", "attributes": null }, { "code": "R71", "description": "Abnormality of red blood cells", "attributes": null }, { "code": "R72", "description": "Abnormality of white blood cells, not elsewhere classified", "attributes": null }, { "code": "R73", "description": "Elevated blood glucose level", "attributes": null }, { "code": "R730", "description": "Abnormal glucose tolerance test", "attributes": null }, { "code": "R739", "description": "Hyperglycaemia, unspecified", "attributes": null }, { "code": "R74", "description": "Abnormal serum enzyme levels", "attributes": null }, { "code": "R740", "description": "Elevation of levels of transaminase and lactic acid dehydrogenase [LDH]", "attributes": null }, { "code": "R748", "description": "Abnormal levels of other serum enzymes", "attributes": null }, { "code": "R749", "description": "Abnormal level of unspecified serum enzyme", "attributes": null }, { "code": "R75", "description": "Laboratory evidence of human immunodeficiency virus [HIV]", "attributes": null }, { "code": "R76", "description": "Other abnormal immunological findings in serum", "attributes": null }, { "code": "R760", "description": "Raised antibody titre", "attributes": null }, { "code": "R761", "description": "Abnormal reaction to tuberculin test", "attributes": null }, { "code": "R762", "description": "False-positive serological test for syphilis", "attributes": null }, { "code": "R768", "description": "Other specified abnormal immunological findings in serum", "attributes": null }, { "code": "R769", "description": "Abnormal immunological finding in serum, unspecified", "attributes": null }, { "code": "R77", "description": "Other abnormalities of plasma proteins", "attributes": null }, { "code": "R770", "description": "Abnormality of albumin", "attributes": null }, { "code": "R771", "description": "Abnormality of globulin", "attributes": null }, { "code": "R772", "description": "Abnormality of alphafetoprotein", "attributes": null }, { "code": "R778", "description": "Other specified abnormalities of plasma proteins", "attributes": null }, { "code": "R779", "description": "Abnormality of plasma protein, unspecified", "attributes": null }, { "code": "R78", "description": "Findings of drugs and other substances, not normally found in blood", "attributes": null }, { "code": "R780", "description": "Finding of alcohol in blood", "attributes": null }, { "code": "R781", "description": "Finding of opiate drug in blood", "attributes": null }, { "code": "R782", "description": "Finding of cocaine in blood", "attributes": null }, { "code": "R783", "description": "Finding of hallucinogen in blood", "attributes": null }, { "code": "R784", "description": "Finding of other drugs of addictive potential in blood", "attributes": null }, { "code": "R785", "description": "Finding of psychotropic drug in blood", "attributes": null }, { "code": "R786", "description": "Finding of steroid agent in blood", "attributes": null }, { "code": "R787", "description": "Finding of abnormal level of heavy metals in blood", "attributes": null }, { "code": "R788", "description": "Finding of other specified substances, not normally found in blood", "attributes": null }, { "code": "R789", "description": "Finding of unspecified substance, not normally found in blood", "attributes": null }, { "code": "R79", "description": "Other abnormal findings of blood chemistry", "attributes": null }, { "code": "R790", "description": "Abnormal level of blood mineral", "attributes": null }, { "code": "R798", "description": "Other specified abnormal findings of blood chemistry", "attributes": null }, { "code": "R799", "description": "Abnormal finding of blood chemistry, unspecified", "attributes": null }, { "code": "R80", "description": "Isolated proteinuria", "attributes": null }, { "code": "R80-R82", "description": "Abnormal findings on examination of urine, without diagnosis", "attributes": null }, { "code": "R81", "description": "Glycosuria", "attributes": null }, { "code": "R82", "description": "Other abnormal findings in urine", "attributes": null }, { "code": "R820", "description": "Chyluria", "attributes": null }, { "code": "R821", "description": "Myoglobinuria", "attributes": null }, { "code": "R822", 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