ICD-10 H30.042
Billable / SpecificFocal chorioretinal inflammation, macular or paramacular, left eye
About ICD-10-CM H30.042
ICD-10-CM code H30.042 represents Focal chorioretinal inflammation, macular or paramacular, left eye. This is a billable/specific code in the Eye and Adnexa chapter (block H30). The 2026 edition of ICD-10-CM H30.042 became effective on October 1, 2025.
Medicare LCD Coverage for H30.042
Local Coverage Determinations (LCDs) from CMS MACs that list H30.042 as a covered diagnosis.
Showing top 10 of 73 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H30.042.
5 Medicare
CPT Codes Commonly Billed with H30.042
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Convert H30.042 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 |
|---|---|---|
| H30.042 | 36306 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H30.042
Other codes in section H30-H36 (Disorders of choroid and retina).
ICD-10 H30.042, Billing FAQ
Is ICD-10 code H30.042 billable? +
Yes, H30.042 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does H30.042 map to? +
Per CMS GEMs, H30.042 maps to ICD-9 codes: 36306. 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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