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Chapters ENES DE

XExtension Codes
Substances
XM9N55Substances, chiefly nonmedicinal
XM4JN8Inorganic substance
XM2KQ2Arsenic

XM4TW8 category

Potassium arsenite

Also indexed as

Potassium arsenitefowler's solutionpotassium arsenite solution

Nearby in Arsenic

XM00Z1Arsine
XM0DR1Cacodyl
XM6C50Cacodylic acid
XM1BL4Chlorovinyldichloroarsine
XM8SC0Copper arsenic complex
XM9YA9Diphenylchlorarsine
XM1AE2Ethyl dichloroarsine
XM8LC6Lead arsenate

PreviousXM3M96 — Lead arsenite NextXM32L9 — Realgar

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
XM95V3Explosive chemical
XM8SN2Fiberglass
XM19R2Gas, fumes or vapour
XM5UJ8Halogen derivative of aliphatic and aromatic hydrocarbons
XM4JN8Inorganic substance
XM3589Metal
XM5H13Methyl acrylate
XM34R5Monosodium glutamate
XM5490Mycotoxin
41 more
XM2KQ2Arsenic
XM53B3Asbestos
XM8SU1Barium nonmedicinal
XM8QL6Borane complex
XM2BF4Boron
XM0XT5Calcium dichromate
XM4QG2Chloramine
XM5JW5Decaborane
XM97M0Hydrogen chloride
10 more
XM00Z1Arsine
XM0DR1Cacodyl
XM6C50Cacodylic acid
XM1BL4Chlorovinyldichloroarsine
XM8SC0Copper arsenic complex
XM9YA9Diphenylchlorarsine
XM1AE2Ethyl dichloroarsine
XM8LC6Lead arsenate
XM3M96Lead arsenite
XM4TW8Potassium arsenite
XM32L9Realgar
XM7H00Sodium arsenate
XM7Y18Sodium arsenite
XM4GU5Arsenic pesticide, 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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