ICD-11 classes
01 Certain infectious or parasitic diseases
Parasitic diseases
Diseases due to nematodes
1F6A — Onchocerciasis

ICD-11 1F6A — Onchocerciasis

Any condition caused by an infection with the parasitic worm Onchocerca volvulus. These conditions are characterised by the presence of firm subcutaneous nodules filled with adult worms, pruritus, long-term corneal inflammation (keratitis), or thickening of the corneal stroma. If untreated, these infections will lead to blindness. Transmission is through the bite of an infected Simulium fly.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis with code 1F6A contains 3 clarifying diagnoses:

  1. 1F6A.0 — Onchocerciasis of the eye
  2. 1F6A.1 — Onchocerciasis of the skin
  3. 1F6A.Y — Other specified onchocerciasis

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