J12 Viral pneumonia, not elsewhere classified

Category / Non-billable header 9 subcodes

Block: Influenza and pneumonia (J09-J18)

Includes

  • bronchopneumonia due to viruses other than influenza viruses

Excludes 2 (not included here)

  • 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.-)

Code Also

  • associated abscess, if applicable (J85.1)

Code First

  • associated influenza, if applicable (J09.X1, J10.0-, J11.0-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
J12..0 Adenoviral pneumonia Yes
J12..1 Respiratory syncytial virus pneumonia Yes
J12..2 Parainfluenza virus pneumonia Yes
J12..3 Human metapneumovirus pneumonia Yes
J12..8 Other viral pneumonia No
J12..81 Pneumonia due to SARS-associated coronavirus Yes
J12..82 Pneumonia due to coronavirus disease 2019 Yes
J12..89 Other viral pneumonia Yes
J12..9 Viral pneumonia, unspecified Yes

Last reviewed: September 2026