ICD-11 classes
01 Certain infectious or parasitic diseases
Parasitic diseases
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.

It excludes 1 item.

  • Onchocerciasis (1F6A)

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

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