B02: Zoster [herpes zoster]
Codes under B02 (Zoster [herpes zoster]). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B02.0 | Zoster encephalitis | ✓ |
| B02.0 | Zoster encephalitis | ✓ |
| B02.1 | Zoster meningitis | ✓ |
| B02.1 | Zoster meningitis | ✓ |
| B02.2 | Zoster with other nervous system involvement | — |
| B02.2 | Zoster with other nervous system involvement | — |
| B02.3 | Zoster ocular disease | — |
| B02.3 | Zoster ocular disease | — |
| B02.7 | Disseminated zoster | ✓ |
| B02.7 | Disseminated zoster | ✓ |
| B02.8 | Zoster with other complications | ✓ |
| B02.8 | Zoster with other complications | ✓ |
| B02.9 | Zoster without complications | ✓ |
| B02.9 | Zoster without complications | ✓ |
| B02.21 | Postherpetic geniculate ganglionitis | ✓ |
| B02.21 | Postherpetic geniculate ganglionitis | ✓ |
| B02.22 | Postherpetic trigeminal neuralgia | ✓ |
| B02.22 | Postherpetic trigeminal neuralgia | ✓ |
| B02.23 | Postherpetic polyneuropathy | ✓ |
| B02.23 | Postherpetic polyneuropathy | ✓ |
| B02.24 | Postherpetic myelitis | ✓ |
| B02.24 | Postherpetic myelitis | ✓ |
| B02.29 | Other postherpetic nervous system involvement | ✓ |
| B02.29 | Other postherpetic nervous system involvement | ✓ |
| B02.30 | Zoster ocular disease, unspecified | ✓ |
| B02.30 | Zoster ocular disease, unspecified | ✓ |
| B02.31 | Zoster conjunctivitis | ✓ |
| B02.31 | Zoster conjunctivitis | ✓ |
| B02.32 | Zoster iridocyclitis | ✓ |
| B02.32 | Zoster iridocyclitis | ✓ |
| B02.33 | Zoster keratitis | ✓ |
| B02.33 | Zoster keratitis | ✓ |
| B02.34 | Zoster scleritis | ✓ |
| B02.34 | Zoster scleritis | ✓ |
| B02.39 | Other herpes zoster eye disease | ✓ |
| B02.39 | Other herpes zoster eye disease | ✓ |
Frequently asked questions
What is ICD-10-CM code B02?
B02 is an ICD-10-CM category covering Zoster [herpes zoster]. It contains 36 more specific diagnosis codes, 32 of which are billable.
Is B02 a billable code?
No — B02 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 B02.0 — Zoster encephalitis). 32 of the 36 codes under B02 are billable.
What codes fall under B02?
B02 includes B02.0, B02.0, B02.1, B02.1, B02.2, plus 31 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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