CA42.3

ICD-11 MMS 2026-01

Acute bronchitis due to Parainfluenza virus

Description

A disease of the bronchi, caused by an acute infection with parainfluenza virus. This disease is characterised by acute inflammation of the bronchi leading to cough, sputum production, wheezing, or shortness of breath. Transmission is by inhalation of infected respiratory secretions, direct contact, or through fomites. Confirmation is by identification of the parainfluenza virus in respiratory secretions, detection of a significant rise in parainfluenza specific IgG antibodies in paired serum, or detection of parainfluenza specific IgM antibodies in a single serum sample.

Index terms

  • Acute bronchitis due to Parainfluenza virus

Exclusions from above levels

  • CA20.0 – Acute noninfectious bronchitis
  • CA20.1 – Chronic bronchitis, NOS
  • CA20.10 – Simple chronic bronchitis
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  • CA20.11 – Mucopurulent chronic bronchitis
  • CA22 – tracheobronchitis: chronic obstructive
  • CA22.1 – bronchitis, chronic: obstructive
  • CA27 – Tracheobronchitis, NOS
  • CA81.0 – Acute bronchitis due to chemical fumes
  • 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

  • CA42.0 – Acute bronchitis due to Streptococcus
  • CA42.1 – Acute bronchitis due to Rhinovirus
  • CA42.2 – Acute bronchitis due to Respiratory syncytial virus
  • CA42.4 – Acute bronchitis due to Haemophilus influenzae
  • CA42.5 – Acute bronchitis due to Coxsackievirus
  • CA42.Y – Other specified acute bronchitis
  • CA42.Z – Acute bronchitis, unspecified

Foundation entity

Acute bronchitis due to Parainfluenza virus – http://id.who.int/icd/entity/1542022084

Part of: CA42: Acute bronchitis › 12: Diseases of the respiratory system