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Chapters ENES DE

XExtension Codes
Substances
XM9N55Substances, chiefly nonmedicinal
XM3589Metal

XM4E11 category

Nickel

3 subordinate codes

XM9P91Nickel carbonyl
XM7K88Nickel sulphate
XM5F09Nickelocene

Also indexed as

Nickelnickel compoundnickel fumesnickel vapor

Nearby in Metal

XM68C9Alum nonmedicinal
XM7JJ2Aluminium nonmedicinal
XM5HW4Antimony
XM4QG7Beryllium
XM0TX8Bismuth nonmedicinal
XM4DZ8Brass
XM0V73Cadmium
XM9YJ8Chromium

PreviousXM1FG4 — Mercury NextXM9359 — Silver 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
XM8SN2Fiberglass
XM19R2Gas, fumes or vapour
XM5UJ8Halogen derivative of aliphatic and aromatic hydrocarbons
XM4JN8Inorganic substance
XM3589Metal
XM5H13Methyl acrylate
XM34R5Monosodium glutamate
XM5490Mycotoxin
XM6PE4Naphthylamine
41 more
XM9YJ8Chromium
XM1NV2Cobalt
XM5KH2Copper
XM8U54Iron nonmedicinal
XM0ZH6Lead
XM4AM4Lithium nonmedicinal
XM1FG4Mercury
XM4E11Nickel
XM9359Silver nonmedicinal
XM0XQ4Tellurium
XM63C5Thallium
XM1NS5Tin
XM7B62Titanium
XM0907Vanadium
XM7UJ7Amalgam
11 more
XM9P91Nickel carbonyl
XM7K88Nickel sulphate
XM5F09Nickelocene

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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