ICD-11 classes
12 Diseases of the respiratory system
Lung infections
CA40 — Pneumonia
CA40.0 — Bacterial pneumonia

ICD-11 CA40.0 — Bacterial pneumonia

A disease of the pulmonary system, caused by an infection with a bacterial source. This disease is characterised by fever, lethargy, headache, myalgia, vomiting, or coughing. Transmission is by inhalation of infected respiratory secretions. Confirmation is by identification of the bacterial source in a sputum sample.

It includes 1 item.

  • bronchopneumonia due to bacteria other than S. pneumoniae and H. influenzae

It excludes 2 items.

  • Congenital pneumonia (KB24)
  • Legionellosis (1C19)

Diagnosis with code CA40.0 contains 13 clarifying diagnoses:

  1. CA40.00 — Pneumonia due to Chlamydophila pneumoniae
  2. CA40.01 — Pneumonia due to Escherichia coli
  3. CA40.02 — Pneumonia due to Haemophilus influenzae
  4. CA40.03 — Pneumonia due to Klebsiella pneumoniae
  5. CA40.04 — Pneumonia due to Mycoplasma pneumoniae
  6. CA40.05 — Pneumonia due to Pseudomonas aeruginosa
  7. CA40.06 — Pneumonia due to Staphylococcus
  8. CA40.07 — Pneumonia due to Streptococcus pneumoniae
  9. CA40.08 — Pneumonia due to Beta-haemolytic streptococcus
  10. 1C10.0 — Pulmonary actinomycosis
  11. 1C1B.0 — Pulmonary nocardiosis
  12. CA40.0Y — Pneumonia due to other specified bacteria
  13. CA40.0Z — Bacterial pneumonia, unspecified

The diagnosis is coded elsewhere:

The diagnosis is included in 4 other classes.

  • Pulmonary actinomycosis (1C10.0)
  • Pulmonary nocardiosis (1C1B.0)
  • Pneumonia in Q fever (1C33)
  • Pulmonary anthrax (1B97)

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