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Chapters ENES DE

XExtension Codes
Substances
XM9N55Substances, chiefly nonmedicinal
XM4JN8Inorganic substance

XM2AZ6 category

Phosphorus

2 subordinate codes

XM3G46Phosphine
XM0LP4Yellow phosphorus

Also indexed as

Phosphorusphosphorus compound

Nearby in Inorganic substance

XM2KQ2Arsenic
XM53B3Asbestos
XM8SU1Barium nonmedicinal
XM8QL6Borane complex
XM2BF4Boron
XM0XT5Calcium dichromate
XM4QG2Chloramine
XM5JW5Decaborane

PreviousXM1FQ3 — Permanganate NextXM95X4 — Potassium perchlorate nonmedicinal

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
XM2BF4Boron
XM0XT5Calcium dichromate
XM4QG2Chloramine
XM5JW5Decaborane
XM97M0Hydrogen chloride
XM3FY4Manganese
XM1FQ3Permanganate
XM2AZ6Phosphorus
XM95X4Potassium perchlorate nonmedicinal
XM2SG3Potassium Fluoride
XM2G85Potassium nitrate
XM5XL5Sodium bichromate
XM9EQ8Sodium chromate
XM7FZ2Sodium nitrate
XM3M65Erionite
4 more
XM3G46Phosphine
XM0LP4Yellow phosphorus

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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