ICD-10-CM · Chapter 1 · A00-B99
B33 Other viral diseases, not elsewhere classified
Subcodes
Each subcode links to a detail page with full clinical annotations.
| Code | Description | Billable |
|---|---|---|
| B33..0 | Epidemic myalgia | Yes |
| B33..1 | Ross River disease | Yes |
| B33..2 | Viral carditis | No |
| B33..20 | Viral carditis, unspecified | Yes |
| B33..21 | Viral endocarditis | Yes |
| B33..22 | Viral myocarditis | Yes |
| B33..23 | Viral pericarditis | Yes |
| B33..24 | Viral cardiomyopathy | Yes |
| B33..3 | Retrovirus infections, not elsewhere classified | Yes |
| B33..4 | Hantavirus (cardio)-pulmonary syndrome [HPS] [HCPS] | Yes |
| B33..8 | Other specified viral diseases | Yes |
Last reviewed: September 2026