B30: Viral conjunctivitis
Codes under B30 (Viral conjunctivitis). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| B30.0 | Keratoconjunctivitis due to adenovirus | ✓ |
| B30.0 | Keratoconjunctivitis due to adenovirus | ✓ |
| B30.1 | Conjunctivitis due to adenovirus | ✓ |
| B30.1 | Conjunctivitis due to adenovirus | ✓ |
| B30.2 | Viral pharyngoconjunctivitis | ✓ |
| B30.2 | Viral pharyngoconjunctivitis | ✓ |
| B30.3 | Acute epidemic hemorrhagic conjunctivitis (enteroviral) | ✓ |
| B30.3 | Acute epidemic hemorrhagic conjunctivitis (enteroviral) | ✓ |
| B30.8 | Other viral conjunctivitis | ✓ |
| B30.8 | Other viral conjunctivitis | ✓ |
| B30.9 | Viral conjunctivitis, unspecified | ✓ |
| B30.9 | Viral conjunctivitis, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code B30?
B30 is an ICD-10-CM category covering Viral conjunctivitis. It contains 12 more specific diagnosis codes, 12 of which are billable.
Is B30 a billable code?
No — B30 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 B30.0 — Keratoconjunctivitis due to adenovirus). 12 of the 12 codes under B30 are billable.
What codes fall under B30?
B30 includes B30.0, B30.0, B30.1, B30.1, B30.2, plus 7 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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