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Chapters ENES DE

XExtension Codes
Substances
XM6S30Medicaments
XM98Y0Cannabinoids or hallucinogens
XM12M9Psychostimulants, ADHD and nootropic agents
XM2XU4Xanthine derivatives

XM0NG8 category

Caffeine

Also indexed as

Caffeine

Nearby in Xanthine derivatives

XM3Y68Propentofylline

NextXM3Y68 — Propentofylline

Browse ICD-11

01Certain infectious or parasitic diseases
02Neoplasms
03Diseases of the blood or blood-forming organs
04Diseases of the immune system
05Endocrine, nutritional or metabolic diseases
06Mental, behavioural or neurodevelopmental disorders
07Sleep-wake disorders
08Diseases of the nervous system
09Diseases of the visual system
10Diseases of the ear or mastoid process
11Diseases of the circulatory system
12Diseases of the respiratory system
13Diseases of the digestive system
14Diseases of the skin
15Diseases of the musculoskeletal system or connective tissue
16Diseases of the genitourinary system
17Conditions related to sexual health
18Pregnancy, childbirth or the puerperium
19Certain conditions originating in the perinatal period
20Developmental anomalies
21Symptoms, signs or clinical findings, not elsewhere classified
22Injury, poisoning or certain other consequences of external causes
23External causes of morbidity or mortality
24Factors influencing health status or contact with health services
25Codes for special purposes
26Supplementary Chapter Traditional Medicine Conditions
VSupplementary section for functioning assessment
XExtension Codes
Histopathology
Dimensions of injury
Dimensions of external causes
Consciousness
Substances
Diagnosis code descriptors
Capacity or context
Health Devices, Equipment and Supplies
Extension codes of particular relevance to skin diseases
5 more
XM6S30Medicaments
XM9N55Substances, chiefly nonmedicinal
Allergens
XM7BA9Analgesics, antipyretics or anti-inflammatory drugs
XM7452Antiepileptics or antiparkinsonism drugs
XM0HK5Antipsychotics [neuroleptics]
XM4G94Antidepressants
XM98Y0Cannabinoids or hallucinogens
XM9NV2Opioids
XM0RE9Psychostimulants
XM3L75Sedative hypnotic drugs or other central nervous system depressants
XM16M6Other or unspecified drugs, medicaments and biological substances
14 more
XM2PL7Cannabinoids
XM4SV9Hallucinogens
XM12M9Psychostimulants, ADHD and nootropic agents
Other psychodysleptics [hallucinogens]
Synthetic cannabinoids
Unspecified psychodysleptics [hallucinogens]
XM7LR7Centrally acting sympathomimetics
XM2XU4Xanthine derivatives
XM1SE2Meclofenoxate
XM8QG2Nizofenone
XM84X9Prolintane
XM8EX0Pipradrol
XM8029Vinpocetine
XM37E2Tipepidine
XM1LB1Pyritinol
15 more
XM0NG8Caffeine
XM3Y68Propentofylline

International Classification of Diseases, Eleventh Revision (ICD-11), World Health Organization (WHO) 2019/2021, https://icd.who.int/browse11. Licensed under Creative Commons Attribution-NoDerivatives 3.0 IGO (CC BY-ND 3.0 IGO).

Release 2026-01. View this entity in the official WHO ICD-11 browser.

This page reproduces WHO classification content for reference. It is not medical advice and must not be used to diagnose or treat. For coding decisions, consult the official release and your national coding guidelines.

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