ICD-11 classes
12 Diseases of the respiratory system
Lung diseases due to external agents
Pneumonitis
CA70 — Hypersensitivity pneumonitis due to organic dust

ICD-11 CA70 — Hypersensitivity pneumonitis due to organic dust

Hypersensitivity pneumonitis due to organic dust is an inflammation of the alveoli, terminal bronchioli and the interstitium within caused by hypersensitivity to inhaled organic dusts, such as allergens derived from fungal, bacterial, animal protein.

The diagnosis includes nothing.

It excludes 1 item.

  • pneumonitis due to inhalation of chemicals, gases, fumes or vapours (CA81.0)

Diagnosis with code CA70 contains 10 clarifying diagnoses:

  1. CA70.0 — Farmer lung
  2. CA70.1 — Bagassosis
  3. CA70.2 — Bird fancier lung
  4. CA70.3 — Suberosis
  5. CA70.4 — Malt worker lung
  6. CA70.5 — Mushroom worker lung
  7. CA70.6 — Maple bark stripper lung
  8. CA70.7 — Air conditioner or humidifier lung
  9. CA70.Y — Other specified hypersensitivity pneumonitis due to organic dust
  10. CA70.Z — Hypersensitivity pneumonitis due to organic dust, unspecified

The diagnosis is coded elsewhere:

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