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Chapters ENES DE

XExtension Codes
Substances
XM9N55Substances, chiefly nonmedicinal
XM2K01Corrosive substance

XM2R89 category

Corrosive alkali

12 subordinate codes

XM4TP4Ammonia
XM51W3Ammonium carbonate
XM8X28Borate nonmedicinal
XM4AF1Calcium hydroxide
XM50U9Calcium hypochlorite
XM87X9Calcium oxide
XM8586Caustic hydroxide
XM8WC7Potassium carbonate
XM9370Sodium carbonate
XM0KW1Sodium hypochlorite
XM8F93Triethanolamine
XM9JC6Alkaline disinfectant, not elsewhere classified

Also indexed as

Corrosive alkalicaustic alkalicorrosive alkali-like substance

Nearby in Corrosive substance

XM34D2Acetic anhydride
XM4HP5Acrolein
XM3GN3Aziridine
XM9WX0Benzidine
XM6PB5Corrosive acid
XM71L2Dimethyl sulfate
XM10Z2Fluoride nonmedicinal
XM8LE5Hydrazine

PreviousXM6PB5 — Corrosive acid NextXM71L2 — Dimethyl sulfate

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
XM9TZ4Algal toxin
XM9RM0Amyl propionate
XM0NF6Animal toxin, venom, or poison
XM7S46Carbon disulfide
XM2K01Corrosive substance
XM3HX8Cyanide
XM4VA2Dichloroformoxine
XM14Q4Ethylidene diacetate
XM95V3Explosive chemical
41 more
XM34D2Acetic anhydride
XM4HP5Acrolein
XM3GN3Aziridine
XM9WX0Benzidine
XM6PB5Corrosive acid
XM2R89Corrosive alkali
XM71L2Dimethyl sulfate
XM10Z2Fluoride nonmedicinal
XM8LE5Hydrazine
XM0WH6Methyl hydrazine
XM7BT1Methyl iodide
XM92T1Phenol, nonmedicinal
XM5380Phthalic anhydride
XM49E4Silver nitrate nonmedicinal
XM9GW2Sodium bisulfate
8 more
XM4TP4Ammonia
XM51W3Ammonium carbonate
XM8X28Borate nonmedicinal
XM4AF1Calcium hydroxide
XM50U9Calcium hypochlorite
XM87X9Calcium oxide
XM8586Caustic hydroxide
XM8WC7Potassium carbonate
XM9370Sodium carbonate
XM0KW1Sodium hypochlorite
XM8F93Triethanolamine
XM9JC6Alkaline disinfectant, not elsewhere classified

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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