ICD-10 H32
Billable / SpecificChorioretinal disorders in diseases classified elsewhere
About ICD-10-CM H32
ICD-10-CM code H32 represents Chorioretinal disorders in diseases classified elsewhere. This is a billable/specific code in the Eye and Adnexa chapter (block H32). The 2026 edition of ICD-10-CM H32 became effective on October 1, 2025.
Type 1 Excludes
Pure excludes, these codes can never be coded together with H32. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- chorioretinitis (in):
- toxoplasmosis (acquired) (B58.01)
- tuberculosis (A18.53)
Coding Notes
Code First
- underlying disease, such as:
- congenital toxoplasmosis (P37.1)
- histoplasmosis (B39.-)
- leprosy (A30.-)
Medicare LCD Coverage for H32
Local Coverage Determinations (LCDs) from CMS MACs that list H32 as a covered diagnosis.
Showing top 10 of 58 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H32.
5 Medicare
CPT Codes Commonly Billed with H32
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 H32 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 |
|---|---|---|
| H32 | 3638 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H32
Other codes in section H30-H36 (Disorders of choroid and retina).
ICD-10 H32, Billing FAQ
Is ICD-10 code H32 billable? +
Yes, H32 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What codes are Type 1 Excludes for H32? +
Type 1 Excludes (never code together with H32): chorioretinitis (in):; toxoplasmosis (acquired) (B58.01); tuberculosis (A18.53)
What ICD-9 codes does H32 map to? +
Per CMS GEMs, H32 maps to ICD-9 codes: 3638. 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 June 2, 2026.
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