J12: Viral pneumonia, not elsewhere classified
Codes under J12 (Viral pneumonia, not elsewhere classified). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| J12.0 | Adenoviral pneumonia | ✓ |
| J12.0 | Adenoviral pneumonia | ✓ |
| J12.1 | Respiratory syncytial virus pneumonia | ✓ |
| J12.1 | Respiratory syncytial virus pneumonia | ✓ |
| J12.2 | Parainfluenza virus pneumonia | ✓ |
| J12.2 | Parainfluenza virus pneumonia | ✓ |
| J12.3 | Human metapneumovirus pneumonia | ✓ |
| J12.3 | Human metapneumovirus pneumonia | ✓ |
| J12.8 | Other viral pneumonia | — |
| J12.8 | Other viral pneumonia | — |
| J12.9 | Viral pneumonia, unspecified | ✓ |
| J12.9 | Viral pneumonia, unspecified | ✓ |
| J12.81 | Pneumonia due to SARS-associated coronavirus | ✓ |
| J12.81 | Pneumonia due to SARS-associated coronavirus | ✓ |
| J12.82 | Pneumonia due to coronavirus disease 2019 | ✓ |
| J12.82 | Pneumonia due to coronavirus disease 2019 | ✓ |
| J12.89 | Other viral pneumonia | ✓ |
| J12.89 | Other viral pneumonia | ✓ |
Frequently asked questions
What is ICD-10-CM code J12?
J12 is an ICD-10-CM category covering Viral pneumonia, not elsewhere classified. It contains 18 more specific diagnosis codes, 16 of which are billable.
Is J12 a billable code?
No — J12 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example J12.0 — Adenoviral pneumonia). 16 of the 18 codes under J12 are billable.
What codes fall under J12?
J12 includes J12.0, J12.0, J12.1, J12.1, J12.2, plus 13 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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