J17 is a billable/specific diagnosis code from the 2026 ICD-10-CM used to classify the following condition: Pneumonia in diseases classified elsewhere.
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Underlying disease, such as:
Q fever (A78)
Rheumatic fever (I00)
Schistosomiasis (B65.0-B65.9)
Candidial pneumonia (B37.1)
Chlamydial pneumonia (J16.0)
Gonorrheal pneumonia (A54.84)
Histoplasmosis pneumonia (B39.0-B39.2)
Measles pneumonia (B05.2)
Nocardiosis pneumonia (A43.0)
Pneumocystosis (B59)
Pneumonia due to Pneumocystis carinii (B59)
Pneumonia due to Pneumocystis jirovecii (B59)
Pneumonia in actinomycosis (A42.0)
Pneumonia in anthrax (A22.1)
Pneumonia in ascariasis (B77.81)
Pneumonia in aspergillosis (B44.0-B44.1)
Pneumonia in coccidioidomycosis (B38.0-B38.2)
Pneumonia in cytomegalovirus disease (B25.0)
Pneumonia in toxoplasmosis (B58.3)
Rubella pneumonia (B06.81)
Salmonella pneumonia (A02.22)
Spirochetal infection NEC with pneumonia (A69.8)
Tularemia pneumonia (A21.2)
Typhoid fever with pneumonia (A01.03)
Varicella pneumonia (B01.2)
Whooping cough with pneumonia (A37 with fifth-character 1)
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