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14Diseases of the skin
Genetic or developmental disorders affecting the skin

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Chromosomal disorders affecting the skin

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EC10-EC1YGenetic syndromes affecting the skin
EC20Genetic disorders of keratinisation
EC21Genetic defects of hair or hair growth
EC22Genetic defects of nails or nail growth
EC23Genetic disorders of skin pigmentation
EC30-EC3ZGenetically-determined epidermolysis bullosa
EC40-EC4YGenetic disorders affecting dermal collagen, elastin or other matrix proteins
EC50-EC5YSpecified developmental anomalies affecting the skin

PreviousEC50-EC5Y — Specified developmental anomalies affecting the skin NextDNA instability syndromes affecting the skin

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
EA00-EA6YCertain skin disorders attributable to infection or infestation
EA80-EB7YInflammatory dermatoses
EB90-EB9YMetabolic or nutritional disorders affecting the skin
EC10-EC7YGenetic or developmental disorders affecting the skin
EC90-ED3YSensory or psychological disorders affecting the skin
ED50-EG02Skin disorders involving specific cutaneous structures
EG30-EG9ZSkin disorders involving certain specific body regions
EH10-EH40.ZSkin disorders associated with pregnancy, the neonatal period or infancy
EH60-EH7ZAdverse cutaneous reactions to medication
8 more
EC10-EC1YGenetic syndromes affecting the skin
EC20Genetic disorders of keratinisation
EC21Genetic defects of hair or hair growth
EC22Genetic defects of nails or nail growth
EC23Genetic disorders of skin pigmentation
EC30-EC3ZGenetically-determined epidermolysis bullosa
EC40-EC4YGenetic disorders affecting dermal collagen, elastin or other matrix proteins
EC50-EC5YSpecified developmental anomalies affecting the skin
Chromosomal disorders affecting the skin
DNA instability syndromes affecting the skin
Genetic disorders of adipose tissue or lipid metabolism affecting the skin
Genetic disorders of amino acid metabolism or transport affecting the skin
Sphingolipidoses with skin manifestations
4B4YOther specified diseases of the immune system

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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