B34: Viral infection of unspecified site
Codes under B34 (Viral infection of unspecified site). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B34.0 | Adenovirus infection, unspecified | ✓ |
| B34.0 | Adenovirus infection, unspecified | ✓ |
| B34.1 | Enterovirus infection, unspecified | ✓ |
| B34.1 | Enterovirus infection, unspecified | ✓ |
| B34.2 | Coronavirus infection, unspecified | ✓ |
| B34.2 | Coronavirus infection, unspecified | ✓ |
| B34.3 | Parvovirus infection, unspecified | ✓ |
| B34.3 | Parvovirus infection, unspecified | ✓ |
| B34.4 | Papovavirus infection, unspecified | ✓ |
| B34.4 | Papovavirus infection, unspecified | ✓ |
| B34.8 | Other viral infections of unspecified site | ✓ |
| B34.8 | Other viral infections of unspecified site | ✓ |
| B34.9 | Viral infection, unspecified | ✓ |
| B34.9 | Viral infection, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code B34?
B34 is an ICD-10-CM category covering Viral infection of unspecified site. It contains 14 more specific diagnosis codes, 14 of which are billable.
Is B34 a billable code?
No — B34 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 B34.0 — Adenovirus infection, unspecified). 14 of the 14 codes under B34 are billable.
What codes fall under B34?
B34 includes B34.0, B34.0, B34.1, B34.1, B34.2, plus 9 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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