ICD-11 classes
14 Diseases of the skin
Benign proliferations, neoplasms and cysts of the skin
EK70 — Cutaneous cysts
EK70.0 — Epidermoid cyst

ICD-11 EK70.0 — Epidermoid cyst

A cutaneous cyst with an epidermoid wall filled with keratin and its breakdown products. It most commonly forms as the result of squamous metaplasia in a damaged sebaceous gland but may result from trauma (traumatic inclusion cyst), especially when situated on the extremities. It typically presents as a spherical skin-coloured or yellowish nodule, often with a central pore opening onto the skin surface.

It includes 1 item.

  • Epidermal inclusion cyst

The diagnosis excludes nothing.

Diagnosis with code EK70.0 contains 2 clarifying diagnoses:

  1. EK70.00 — Infected epidermoid cyst
  2. EK70.0Z — Epidermoid cyst, unspecified

The diagnosis is coded elsewhere:

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