ICD-10 B30.9
Billable / SpecificViral conjunctivitis, unspecified
About ICD-10-CM B30.9
ICD-10-CM code B30.9 represents Viral conjunctivitis, unspecified. This is a billable/specific code in the Infectious and Parasitic Diseases chapter (block B30). The 2026 edition of ICD-10-CM B30.9 became effective on October 1, 2025.
Medicare LCD Coverage for B30.9
Local Coverage Determinations (LCDs) from CMS MACs that list B30.9 as a covered diagnosis.
Showing top 5. Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing B30.9.
1 Medicare
CPT Codes Commonly Billed with B30.9
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
Convert B30.9 to ICD-9-CM
Per CMS General Equivalence Mappings (GEMs), useful for legacy data review and historical claim analysis.
| ICD-10 | ICD-9 | Mapping Flags |
|---|---|---|
| B30.9 | 07799 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To B30.9
Other codes in section B25-B34 (Other viral diseases).
ICD-10 B30.9, Billing FAQ
Is ICD-10 code B30.9 billable? +
Yes, B30.9 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with B30.9? +
Procedures frequently paired with B30.9 include: 86790, 86794.
What ICD-9 codes does B30.9 map to? +
Per CMS GEMs, B30.9 maps to ICD-9 codes: 07799. Useful for legacy data review and historical claim analysis.
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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