CA41.0

ICD-11 MMS 2026-01

Acute bronchiolitis due to respiratory syncytial virus

Description

A disease of the bronchioles, caused by an infection with respiratory syncytial virus. This disease is characterised by inflammation of the bronchioles. This disease may present with cough, wheezing, or shortness of breath. Transmission is by direct contact, droplet transmission, or indirect contact with infected respiratory secretions. Confirmation is by identification of respiratory syncytial virus from nasopharyngeal swabs.

Index terms

  • Acute bronchiolitis due to respiratory syncytial virus

Exclusions from above levels

  • 01 – Certain infectious or parasitic diseases
  • 05 – Endocrine, nutritional or metabolic diseases
  • 18 – Complications of pregnancy, childbirth and the puerperium
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  • 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

  • CA41.Y – Other specified acute bronchiolitis
  • CA41.Z – Acute bronchiolitis, unspecified

Foundation entity

Acute bronchiolitis due to respiratory syncytial virus – http://id.who.int/icd/entity/1079142440

Allowed postcoordination axes

Part of: CA41: Acute bronchiolitis › 12: Diseases of the respiratory system