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Chapters ENES DE

XExtension Codes
Substances
XM9N55Substances, chiefly nonmedicinal
XM48F6Organic solvent
XM0QY7Benzene
XM83H3Nitroderivative or aminoderivative of benzene or benzene homologue

XM9BN0 category

Phenylhydrazine

Also indexed as

Phenylhydrazinehydrazinobenzene

Nearby in Nitroderivative or aminoderivative of benzene or benzene homologue

XM76E2Aniline
XM3R71Anisidine
XM1UP9Azobenzene
XM1ZR2Dinitro-ortho-cresol
XM76A0Dichlorobenzidine
XM11G0Dinitrobenzene
XM95M5Dinitrocyclohexylphenol
XM73Y7Dinitrophenol

PreviousXM1E24 — Phenylenediamine NextXM9ZV3 — Tetryl

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
XM5H13Methyl acrylate
XM34R5Monosodium glutamate
XM5490Mycotoxin
XM6PE4Naphthylamine
XM48F6Organic solvent
XM4QP9Paint or dye
XM7U05Paratertiary butylphenol formaldehyde resin
XM5B21Phthalate
XM74S8Poisonous mushroom
41 more
XM4LM8Acetaldehyde
XM6QH4Acetic acid ester
XM6XW9Acetonitrile
XM5HX1Amyl formate
XM0QY7Benzene
XM0M80Butyl butyrate
XM3XT7Butyl formate
XM59Y7Butyl lactate
XM3NC8Butyl propionate
33 more
XM2738Benzene homologue
XM3TU9Benzene vapor
XM9UH2Diphenylmethane
XM83H3Nitroderivative or aminoderivative of benzene or benzene homologue
XM6ZJ9Resorcin nonmedicinal
XM5V50Styrene
XM11G0Dinitrobenzene
XM95M5Dinitrocyclohexylphenol
XM73Y7Dinitrophenol
XM2732Diphenylamine
XM0179Nitroaniline
XM2W93Nitrobenzene
XM6GM2Nitrobiphenyl
XM1MY0Nitrosodimethylamine
XM6EB1Nitrotoluene
XM1E24Phenylenediamine
XM9BN0Phenylhydrazine
XM9ZV3Tetryl
XM1X35TNT
XM67F1Toluylenediamine
XM4B36Trinitrobenzol
5 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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