CA70.2

ICD-11 MMS 2026-01

Bird fancier lung

Description

Bird fancier lung, also called Pigeon-breeder's lung disease, is an allergic alveolitis caused by inhalation of particulate avian emanations, sometimes specified by avian species. Presentation can be acute with chills, cough, fever, shortness of breath, chest tightness usually resolving within 24h after cessation of antigen exposure, sub-acute with cough and dyspnoea over several days to weeks, whereas chronic form results in breathlessness, coughing, lack of appetite and weight loss.

Coding note from above levels

Includes: allergic alveolitis and pneumonitis due to inhaled organic dust and particles of fungal, actinomycetic or other origin

Index terms

  • Bird fancier lung
  • BFL - [bird fancier lung]
  • avian protein hypersensitivity
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  • bird breeders' disease
  • bird breeders' lung
  • bird fanciers' disease
  • bird fanciers' lung
  • fanciers' disease
  • fanciers' lung
  • Budgerigar fanciers' lung
  • Budgerigar fanciers' disease
  • Budgerigar fanciers' hypersensitivity pneumonitis
  • budgerigar breeders' lung
  • Pigeon fanciers' lung
  • pigeon breeders' disease
  • pigeon breeders' lung
  • pigeon fanciers' disease
  • pigeon fanciers' hypersensitivity pneumonitis

Exclusions from above levels

  • CA80 – Airway disease due to specific organic dust
  • CA81.0 – pneumonitis due to inhalation of chemicals, gases, fumes or vapours
  • CA40 – Pneumonia
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  • CA23 – Asthma
  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
  • 19 – Certain conditions originating in the perinatal period
  • 20 – Congenital malformations, deformations and chromosomal abnormalities
  • 22 – Injury, poisoning or certain other consequences of external causes

Sibling codes

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

Foundation entity

Bird fancier lung – http://id.who.int/icd/entity/912113736

Allowed postcoordination axes

Part of: CA70: Hypersensitivity pneumonitis due to organic dust › 12: Diseases of the respiratory system