CA22.Z

ICD-11 MMS 2026-01

Chronic obstructive pulmonary disease, unspecified

Exclusions from above levels

  • CA20.1 – chronic tracheobronchitis
  • CA20.1Z – Simple or mucopurulent chronic bronchitis
  • CA21 – Emphysema
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  • CA23 – Asthma
  • CA23.3 – asthmatic bronchitis NOS
  • CA24 – Bronchiectasis
  • 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

  • CA22.0 – Chronic obstructive pulmonary disease with acute exacerbation, unspecified
  • CA22.1 – Certain specified chronic obstructive pulmonary disease

Foundation entity

Chronic obstructive pulmonary disease – http://id.who.int/icd/entity/133207228

Allowed postcoordination axes

Part of: CA22: Chronic obstructive pulmonary disease › 12: Diseases of the respiratory system