ICD-11 classes
01 Certain infectious or parasitic diseases
Parasitic diseases
Helminthiases
Diseases due to nematodes
1F66 — Filariasis

ICD-11 1F66 — Filariasis

infections with nematodes of the superfamily Filarioidea; presence of living worms in the body is mainly asymptomatic but the death of adult worms leads to granulomatous inflammation and permanent fibrosis; organisms of the genus Elaeophora infect wild elk and domestic sheep causing ischaemic necrosis of the brain, blindness, and dermatosis of the face.

The diagnosis includes nothing.

Diagnosis with code 1F66 contains 7 clarifying diagnoses:

1. 1F66.0 — Loiasis
2. 1F66.1 — Mansonelliasis
3. 1F66.2 — Filariasis due to Brugia species
   It contains 2 clarifying diagnoses.
4. 1F66.3 — Lymphatic filariasis
   It contains 4 clarifying diagnoses.
5. 1F66.4 — Subcutaneous dirofilariasis
6. 1F66.Y — Other specified filariasis
7. 1F66.Z — Filariasis, unspecified