B00: Herpesviral [herpes simplex] infections
Codes under B00 (Herpesviral [herpes simplex] infections). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B00.0 | Eczema herpeticum | ✓ |
| B00.0 | Eczema herpeticum | ✓ |
| B00.1 | Herpesviral vesicular dermatitis | ✓ |
| B00.1 | Herpesviral vesicular dermatitis | ✓ |
| B00.2 | Herpesviral gingivostomatitis and pharyngotonsillitis | ✓ |
| B00.2 | Herpesviral gingivostomatitis and pharyngotonsillitis | ✓ |
| B00.3 | Herpesviral meningitis | ✓ |
| B00.3 | Herpesviral meningitis | ✓ |
| B00.4 | Herpesviral encephalitis | ✓ |
| B00.4 | Herpesviral encephalitis | ✓ |
| B00.5 | Herpesviral ocular disease | — |
| B00.5 | Herpesviral ocular disease | — |
| B00.7 | Disseminated herpesviral disease | ✓ |
| B00.7 | Disseminated herpesviral disease | ✓ |
| B00.8 | Other forms of herpesviral infections | — |
| B00.8 | Other forms of herpesviral infections | — |
| B00.9 | Herpesviral infection, unspecified | ✓ |
| B00.9 | Herpesviral infection, unspecified | ✓ |
| B00.50 | Herpesviral ocular disease, unspecified | ✓ |
| B00.50 | Herpesviral ocular disease, unspecified | ✓ |
| B00.51 | Herpesviral iridocyclitis | ✓ |
| B00.51 | Herpesviral iridocyclitis | ✓ |
| B00.52 | Herpesviral keratitis | ✓ |
| B00.52 | Herpesviral keratitis | ✓ |
| B00.53 | Herpesviral conjunctivitis | ✓ |
| B00.53 | Herpesviral conjunctivitis | ✓ |
| B00.59 | Other herpesviral disease of eye | ✓ |
| B00.59 | Other herpesviral disease of eye | ✓ |
| B00.81 | Herpesviral hepatitis | ✓ |
| B00.81 | Herpesviral hepatitis | ✓ |
| B00.82 | Herpes simplex myelitis | ✓ |
| B00.82 | Herpes simplex myelitis | ✓ |
| B00.89 | Other herpesviral infection | ✓ |
| B00.89 | Other herpesviral infection | ✓ |
Frequently asked questions
What is ICD-10-CM code B00?
B00 is an ICD-10-CM category covering Herpesviral [herpes simplex] infections. It contains 34 more specific diagnosis codes, 30 of which are billable.
Is B00 a billable code?
No — B00 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 B00.0 — Eczema herpeticum). 30 of the 34 codes under B00 are billable.
What codes fall under B00?
B00 includes B00.0, B00.0, B00.1, B00.1, B00.2, plus 29 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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