ICD-11 classes
12 Diseases of the respiratory system
Lung infections

ICD-11 Lung infections

Any condition of the lungs, caused by an infection with a bacterial, viral, fungal, or parasitic source.

The diagnosis includes nothing.

The diagnosis excludes nothing.

Diagnosis contains 10 clarifying diagnoses:

  1. CA40 — Pneumonia
    It contains 9 clarifying diagnoses.
  2. CA41 — Acute bronchiolitis
    It contains 3 clarifying diagnoses.
  3. CA42 — Acute bronchitis
    It contains 8 clarifying diagnoses.
  4. CA43 — Abscess of lung or mediastinum
    It contains 7 clarifying diagnoses.
  5. CA44 — Pyothorax
  6. CA45 — Respiratory infections, not elsewhere classified
  7. Influenza
    It contains 3 clarifying diagnoses.
  8. 1F2A.0 — Pulmonary histoplasmosis capsulati
  9. CA4Y — Other specified lung infections
  10. CA4Z — Lung infections, unspecified

The diagnosis is included in 4 other classes.

  • Influenza (1E30-1E32)
  • Pulmonary histoplasmosis capsulati (1F2A.0)
  • Chronic obstructive pulmonary disease with acute lower respiratory infection (CA22.1)
  • Influenza with pneumonia, seasonal influenza virus identified (1E30)

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