J12Header code — not billable
Viral pneumonia, not elsewhere classified
- Chapter
- 10. Diseases of the respiratory system
- Category
- J12
- Effective date
- October 1, 2026
Related codes in category J12
J12.0Adenoviral pneumoniaYesJ12.1Respiratory syncytial virus pneumoniaYesJ12.2Parainfluenza virus pneumoniaYesJ12.3Human metapneumovirus pneumoniaYesJ12.8Other viral pneumoniaJ12.81Pneumonia due to SARS-associated coronavirusYesJ12.82Pneumonia due to coronavirus disease 2019YesJ12.89Other viral pneumoniaYesJ12.9Viral pneumonia, unspecifiedYes
Frequently asked questions
What is ICD-10 code J12?
J12 is an ICD-10-CM diagnosis code for Viral pneumonia, not elsewhere classified.
Is J12 a billable code?
No. J12 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is J12 in?
J12 falls under Chapter 10: Diseases of the respiratory system.
When did J12 become effective?
J12 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to J12?
J12 belongs to category J12, which includes 9 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.