J17
Pneumonia in diseases classified elsewhere
This code does not map to a risk-adjusting HCC in the loaded models.
Coding notes
Excludes 1 never coded together · Excludes 2 may co-exist
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)
allergic or eosinophilic pneumonia (J82) aspiration pneumonia NOS (J69.0) meconium pneumonia (P24.01) neonatal aspiration pneumonia (P24.-) pneumonia due to solids and liquids (J69.-) congenital pneumonia (P23.9) lipid pneumonia (J69.1) rheumatic pneumonia (I00) ventilator associated pneumonia (J95.851)
code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)
certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) smoke inhalation (T59.81-) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
code, where applicable, to identify: exposure to environmental tobacco smoke (Z77.22) exposure to tobacco smoke in the perinatal period (P96.81) history of tobacco dependence (Z87.891) occupational exposure to environmental tobacco smoke (Z57.31) tobacco dependence (F17.-) tobacco use (Z72.0)
When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g. tracheobronchitis to bronchitis in J40).
Official Guidelines for J17
FY 2026 ›Sections that reference J17
- I.C.10.d.1)Documentation of Ventilator associated Pneumonia
… Do not assign an additional code from categories J12-J18 to identify the type of pneumonia. …
- I.C.10.d.2)Ventilator associated Pneumonia Develops after Admission
… and subsequently develop VAP. In this instance, the principal diagnosis would be the appropriate code from categories J12-J18 for the pneumonia diagnosed at the time of admission. …
Sections whose FY 2026 text names J17, its J17 category, or a range containing it — the chapter guidance above is the authoritative source.