CA23.21

ICD-11 MMS 2026-01

Exercise-induced bronchospasm

Description

Exercise-induced bronchoconstriction (EIB) describes airway narrowing that occurs in association with exercise. EIB occurs in up to 90% of asthmatic patients and is estimated to occur in >10% of the general population. Recent reviews have identified asthma as a risk factor for sudden death and have reported many deaths that have been attributed directly to EIB.

Index terms

  • Exercise-induced bronchospasm

Exclusions from above levels

  • CA22 – chronic obstructive asthma
  • CA22.1 – chronic asthmatic (obstructive) bronchitis
  • CA60.1 – miner’s asthma
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  • CA70 – wood asthma
  • MD11.C – Wheezing
  • 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

Foundation entity

Exercise-induced bronchospasm – http://id.who.int/icd/entity/841017462

Allowed postcoordination axes

Part of: CA23.2: Other specified forms of asthma or bronchospasm › CA23: Asthma › 12: Diseases of the respiratory system