1F6A.1

ICD-11 MMS 2026-01

Onchocerciasis of the skin

Description

A disease of the skin, caused by an infection with the parasitic worm Onchocerca volvulus. This disease is characterised by subcutaneous nodules on the skin (commonly affecting the iliac crests, ribs, knees, or trochanters). Transmission is through the bite of an infected Simulium fly. Confirmation is by identification of Onchocerca volvulus in a skin sample.

Index terms

  • Onchocerciasis of the skin
  • Cutaneous onchocerciasis
  • Onchodermatitis
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  • Acute papular onchodermatitis
  • Chronic papular onchodermatitis
  • Lichenified onchodermatitis
  • Onchocercoma

Inclusions

  • Cutaneous onchocerciasis

Exclusions from above levels

  • NE83.1 – Infection arising from device, implant or graft, not elsewhere classified

Sibling codes

  • 1F6A.0 – Onchocerciasis of the eye
  • 1F6A.Y – Other specified onchocerciasis
  • 1F6A.Z – Onchocerciasis, unspecified

Foundation entity

Onchocerciasis of the skin – http://id.who.int/icd/entity/195163840

Allowed postcoordination axes

Part of: 1F6A: Onchocerciasis › 01: Certain infectious or parasitic diseases