J12.2
Parainfluenza virus pneumonia
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
bronchopneumonia due to viruses other than influenza viruses
aspiration pneumonia due to anesthesia during labor and delivery (O74.0) aspiration pneumonia due to anesthesia during pregnancy (O29) aspiration pneumonia due to anesthesia during puerperium (O89.0) aspiration pneumonia due to solids and liquids (J69.-) aspiration pneumonia NOS (J69.0) congenital pneumonia (P23.0) congenital rubella pneumonitis (P35.0) interstitial pneumonia NOS (J84.9) lipid pneumonia (J69.1) neonatal aspiration pneumonia (P24.-)
associated abscess, if applicable (J85.1)
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 J12.2
FY 2026 ›Sections that reference J12.2
- I.C.1.g.1)(c)(i)PneumoniaChapter 1
For a patient with pneumonia confirmed as due to COVID-19, assign codes U07.1, COVID-19, and J12.82, Pneumonia due to coronavirus disease 2019. …
- 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 J12.2, its J12 category, or a range containing it — the chapter guidance above is the authoritative source.
Find J12.2 in the alphabetic index
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