CA40.02

ICD-11 MMS 2026-01

Pneumonia due to Haemophilus influenzae

Description

A disease of the pulmonary system, caused by an infection with the gram-negative bacteria Haemophilus influenzae. This disease is characterised by cough, shortness of breath, fever, chills, muscle aches, and chest pain. Transmission is by inhalation of infected respiratory secretions or direct contact. Confirmation is by identification of Haemophilus influenzae in blood or other typically sterile body fluid.

Index terms

  • Pneumonia due to Haemophilus influenzae
  • bronchopneumonia due to H. influenzae
  • bronchopneumonia due to hemophilus influenzae
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  • haemophilus influenzae lobar pneumonia
  • pneumonia due to H. influenzae
  • pneumonia due to hemophilus influenzae
  • Early-onset pneumonia due to Haemophilus influenzae
  • early-onset pneumonia due to H. influenzae

Inclusions

  • bronchopneumonia due to H. influenzae

Excludes

  • KB24 – Congenital pneumonia

Exclusions from above levels

  • 1C19 – Legionellosis
  • http://id.who.int/icd/entity/1324545867 – Pneumonitis
  • 01 – Certain infectious or parasitic diseases
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  • 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

  • CA40.00 – Pneumonia due to Chlamydophila pneumoniae
  • CA40.01 – Pneumonia due to Escherichia coli
  • CA40.03 – Pneumonia due to Klebsiella pneumoniae
  • CA40.04 – Pneumonia due to Mycoplasma pneumoniae
  • CA40.05 – Pneumonia due to Pseudomonas aeruginosa
  • CA40.06 – Pneumonia due to Staphylococcus
  • CA40.07 – Pneumonia due to Streptococcus pneumoniae
  • CA40.08 – Pneumonia due to beta-haemolytic Streptococcus
  • CA40.0Y – Pneumonia due to other specified bacteria
  • CA40.0Z – Bacterial pneumonia, unspecified

Foundation entity

Pneumonia due to Haemophilus influenzae – http://id.who.int/icd/entity/732824952

Allowed postcoordination axes

Part of: CA40.0: Bacterial pneumonia › CA40: Pneumonia › 12: Diseases of the respiratory system