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Chapters ENES DE

14Diseases of the skin
Benign proliferations, neoplasms and cysts of the skin

EK70 category

Cutaneous cysts

6 subordinate codes

EK70.0Epidermoid cyst
EK70.1Trichilemmal cyst
EK70.2Digital myxoid pseudocyst
EK70.3Hidrocystoma
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

Nearby in Benign proliferations, neoplasms and cysts of the skin

EK71Skin tags or polyps
Benign adipocytic neoplasms of skin or soft tissue

NextEK71 — Skin tags or polyps

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
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
EH90-EK5YSkin disorders provoked by external factors
EK70-EK71.ZBenign proliferations, neoplasms and cysts of the skin
EK90-EK92Disorders of the skin of uncertain or unpredictable malignant potential
EL10-EL3YCutaneous markers of internal disorders
EL50-EL80Postprocedural disorders of the skin
Malignant neoplasms involving the skin
8 more
EK70Cutaneous cysts
EK71Skin tags or polyps
Benign adipocytic neoplasms of skin or soft tissue
EK70.0Epidermoid cyst
EK70.1Trichilemmal cyst
EK70.2Digital myxoid pseudocyst
EK70.3Hidrocystoma
4B4YOther specified diseases of the immune system
4B4ZDiseases of the immune system, unspecified

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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