The block T36–T50 of ICD-10 is titled “Poisoning by drugs, medicaments and biological substances”. It is part of Chapter XIX, Injury, poisoning and certain other consequences of external causes, and holds 15 groups.
What T36–T50 includes
Conditions and terms that are coded here.
- overdose of these substances
- wrong substance given or taken in error
What T36–T50 excludes
Conditions that look similar but belong under another code.
- abuse of non-dependence-producing substances F55
- adverse effects ["hypersensitivity", "reaction", etc.] of correct substance properly administered; such cases are to be classified according to the nature of the adverse effect, such as:
- intoxication meaning inebriation F10-F19
- drug reaction and poisoning affecting the fetus and newborn P00-P96
- pathological drug intoxication F10-F19
Codes in T36–T50
- T36.0Poisoning: Penicillins
- T36.1Poisoning: Cefalosporins and other beta-lactam antibiotics
- T36.2Poisoning: Chloramphenicol group
- T36.3Poisoning: Macrolides
- T36.4Poisoning: Tetracyclines
- T36.5Poisoning: Aminoglycosides
- T36.6Poisoning: Rifamycins
- T36.7Poisoning: Antifungal antibiotics, systemically used
- T36.8Poisoning: Other systemic antibiotics
- T36.9Poisoning: Systemic antibiotic, unspecified
- T37.0Poisoning: Sulfonamides
- T37.1Poisoning: Antimycobacterial drugs
- T37.2Poisoning: Antimalarials and drugs acting on other blood protozoa
- T37.3Poisoning: Other antiprotozoal drugs
- T37.4Poisoning: Anthelminthics
- T37.5Poisoning: Antiviral drugs
- T37.8Poisoning: Other specified systemic anti-infectives and antiparasitics
- T37.9Poisoning: Systemic anti-infective and antiparasitic, unspecified
- T38.0Poisoning: Glucocorticoids and synthetic analogues
- T38.1Poisoning: Thyroid hormones and substitutes
- T38.2Poisoning: Antithyroid drugs
- T38.3Poisoning: Insulin and oral hypoglycaemic [antidiabetic] drugs
- T38.4Poisoning: Oral contraceptives
- T38.5Poisoning: Other estrogens and progestogens
- T38.6Poisoning: Antigonadotrophins, antiestrogens, antiandrogens, not elsewhere classified
- T38.7Poisoning: Androgens and anabolic congeners
- T38.8Poisoning: Other and unspecified hormones and their synthetic substitutes
- T38.9Poisoning: Other and unspecified hormone antagonists
- T39.0Poisoning: Salicylates
- T39.1Poisoning: 4-Aminophenol derivatives
- T39.2Poisoning: Pyrazolone derivatives
- T39.3Poisoning: Other nonsteroidal anti-inflammatory drugs [NSAID]
- T39.4Poisoning: Antirheumatics, not elsewhere classified
- T39.8Poisoning: Other nonopioid analgesics and antipyretics, not elsewhere classified
- T39.9Poisoning: Nonopioid analgesic, antipyretic and antirheumatic, unspecified
- T40.0Poisoning: Opium
- T40.1Poisoning: Heroin
- T40.2Poisoning: Other opioids
- T40.3Poisoning: Methadone
- T40.4Poisoning: Other synthetic narcotics
- T40.5Poisoning: Cocaine
- T40.6Poisoning: Other and unspecified narcotics
- T40.7Poisoning: Cannabis (derivatives)
- T40.8Poisoning: Lysergide [LSD]
- T40.9Poisoning: Other and unspecified psychodysleptics [hallucinogens]
- T42.0Poisoning: Hydantoin derivatives
- T42.1Poisoning: Iminostilbenes
- T42.2Poisoning: Succinimides and oxazolidinediones
- T42.3Poisoning: Barbiturates
- T42.4Poisoning: Benzodiazepines
- T42.5Poisoning: Mixed antiepileptics, not elsewhere classified
- T42.6Poisoning: Other antiepileptic and sedative-hypnotic drugs
- T42.7Poisoning: Antiepileptic and sedative-hypnotic drugs, unspecified
- T42.8Poisoning: Antiparkinsonism drugs and other central muscle-tone depressants
- T43.0Poisoning: Tricyclic and tetracyclic antidepressants
- T43.1Poisoning: Monoamine-oxidase-inhibitor antidepressants
- T43.2Poisoning: Other and unspecified antidepressants
- T43.3Poisoning: Phenothiazine antipsychotics and neuroleptics
- T43.4Poisoning: Butyrophenone and thioxanthene neuroleptics
- T43.5Poisoning: Other and unspecified antipsychotics and neuroleptics
- T43.6Poisoning: Psychostimulants with abuse potential
- T43.8Poisoning: Other psychotropic drugs, not elsewhere classified
- T43.9Poisoning: Psychotropic drug, unspecified
- T44.0Poisoning: Anticholinesterase agents
- T44.1Poisoning: Other parasympathomimetics [cholinergics]
- T44.2Poisoning: Ganglionic blocking drugs, not elsewhere classified
- T44.3Poisoning: Other parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics, not elsewhere classified
- T44.4Poisoning: Predominantly alpha-adrenoreceptor agonists, not elsewhere classified
- T44.5Poisoning: Predominantly beta-adrenoreceptor agonists, not elsewhere classified
- T44.6Poisoning: Alpha-adrenoreceptor antagonists, not elsewhere classified
- T44.7Poisoning: Beta-adrenoreceptor antagonists, not elsewhere classified
- T44.8Poisoning: Centrally acting and adrenergic-neuron-blocking agents, not elsewhere classified
- T44.9Poisoning: Other and unspecified drugs primarily affecting the autonomic nervous system
- T45.0Poisoning: Antiallergic and antiemetic drugs
- T45.1Poisoning: Antineoplastic and immunosuppressive drugs
- T45.2Poisoning: Vitamins, not elsewhere classified
- T45.3Poisoning: Enzymes, not elsewhere classified
- T45.4Poisoning: Iron and its compounds
- T45.5Poisoning: Anticoagulants
- T45.6Poisoning: Fibrinolysis-affecting drugs
- T45.7Poisoning: Anticoagulant antagonists, vitamin K and other coagulants
- T45.8Poisoning: Other primarily systemic and haematological agents
- T45.9Poisoning: Primarily systemic and haematological agent, unspecified
- T46.0Poisoning: Cardiac-stimulant glycosides and drugs of similar action
- T46.1Poisoning: Calcium-channel blockers
- T46.2Poisoning: Other antidysrhythmic drugs, not elsewhere classified
- T46.3Poisoning: Coronary vasodilators, not elsewhere classified
- T46.4Poisoning: Angiotensin-converting-enzyme inhibitors
- T46.5Poisoning: Other antihypertensive drugs, not elsewhere classified
- T46.6Poisoning: Antihyperlipidaemic and antiarteriosclerotic drugs
- T46.7Poisoning: Peripheral vasodilators
- T46.8Poisoning: Antivaricose drugs, including sclerosing agents
- T46.9Poisoning: Other and unspecified agents primarily affecting the cardiovascular system
- T47.0Poisoning: Histamine H2-receptor antagonists
- T47.1Poisoning: Other antacids and anti-gastric-secretion drugs
- T47.2Poisoning: Stimulant laxatives
- T47.3Poisoning: Saline and osmotic laxatives
- T47.4Poisoning: Other laxatives
- T47.5Poisoning: Digestants
- T47.6Poisoning: Antidiarrhoeal drugs
- T47.7Poisoning: Emetics
- T47.8Poisoning: Other agents primarily affecting the gastrointestinal system
- T47.9Poisoning: Agent primarily affecting the gastrointestinal system, unspecified
- T48.0Poisoning: Oxytocic drugs
- T48.1Poisoning: Skeletal muscle relaxants [neuromuscular blocking agents]
- T48.2Poisoning: Other and unspecified agents primarily acting on muscles
- T48.3Poisoning: Antitussives
- T48.4Poisoning: Expectorants
- T48.5Poisoning: Anti-common-cold drugs
- T48.6Poisoning: Antiasthmatics, not elsewhere classified
- T48.7Poisoning: Other and unspecified agents primarily acting on the respiratory system
- T49.0Poisoning: Local antifungal, anti-infective and anti-inflammatory drugs, not elsewhere classified
- T49.1Poisoning: Antipruritics
- T49.2Poisoning: Local astringents and local detergents
- T49.3Poisoning: Emollients, demulcents and protectants
- T49.4Poisoning: Keratolytics, keratoplastics and other hair treatment drugs and preparations
- T49.5Poisoning: Ophthalmological drugs and preparations
- T49.6Poisoning: Otorhinolaryngological drugs and preparations
- T49.7Poisoning: Dental drugs, topically applied
- T49.8Poisoning: Other topical agents
- T49.9Poisoning: Topical agent, unspecified
- T50.0Poisoning: Mineralocorticoids and their antagonists
- T50.1Poisoning: Loop [high-ceiling] diuretics
- T50.2Poisoning: Carbonic-anhydrase inhibitors, benzothiadiazides and other diuretics
- T50.3Poisoning: Electrolytic, caloric and water-balance agents
- T50.4Poisoning: Drugs affecting uric acid metabolism
- T50.5Poisoning: Appetite depressants
- T50.6Poisoning: Antidotes and chelating agents, not elsewhere classified
- T50.7Poisoning: Analeptics and opioid receptor antagonists
- T50.8Poisoning: Diagnostic agents
- T50.9Poisoning: Other and unspecified drugs, medicaments and biological substances
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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