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Chapters ENES DE

XExtension Codes
Substances
XM6S30Medicaments
XM6CH2Drugs primarily affecting the autonomic nervous system
Adrenergic agonists
XM3LR7Predominantly alpha-adrenoreceptor agonists

XM66X7 category

Chlor-Trimeton

Also indexed as

Chlor-Trimeton

Nearby in Predominantly alpha-adrenoreceptor agonists

XM39Y4Thenyldiamine
XM2V55Phenyltoloxamine
XM7D21Paredrine
XM81D8Norepinephrine
XM7RF2Moxastine
XM8TK4Methaphenilene
XM4TB9Levocabastine (hydrochloride)
XM2305Homochlorcyclizine

PreviousXM4PH8 — Chlorothen NextXM0AN5 — Cetoxime

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
XM26S4Hormones and their synthetic substitutes or antagonists, not elsewhere classified
XM9W63Agents affecting bones, joints or other connective tissue, not elsewhere classified
XM4TG8Agents primarily affecting water and nutrition-balance or metabolism
XM3973Agents primarily affecting the cardiovascular system
XM6CH2Drugs primarily affecting the autonomic nervous system
XM7YD4Drugs used in addictive disorders
XM8014Antivertigo and motion sickness preparations
XM1950Agents primarily acting on smooth and skeletal muscles or the respiratory system
XM5MU9Systemic antibiotics, anti-infectives or antiparasitics
14 more
Adrenergic agonists
Adrenergic antagonists
Parasympatholytics [anticholinergics and antimuscarinics] and spasmolytics
Parasympathomimetics [cholinergics]
Ganglionic blocking drugs
XM36U7Alpha- and beta-adrenoreceptor agonists
XM3LR7Predominantly alpha-adrenoreceptor agonists
XM59T1Embramine
XM8ZH9Dimenhydrinate
XM29D4Difenidol
XM62B0Dibenzheptropine
XM8Y26Cyclopentamine
XM0Y33Clemizole
XM4PH8Chlorothen
XM66X7Chlor-Trimeton
XM0AN5Cetoxime
XM88Z7Bisulepin (hydrochloride)
XM35M7Benzquinamide
XM25T0Apraclonidine (hydrochloride)
XM0W81Antistine
XM6XN3Phenylpropanolamine
XM6ZQ3Phenylephrine
9 more

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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