ICD-10 H52.229
Billable / SpecificRegular astigmatism, unspecified eye
About ICD-10-CM H52.229
ICD-10-CM code H52.229 represents Regular astigmatism, unspecified eye. This is a billable/specific code in the Eye and Adnexa chapter (block H52). The 2026 edition of ICD-10-CM H52.229 became effective on October 1, 2025.
Medicare LCD Coverage for H52.229
Local Coverage Determinations (LCDs) from CMS MACs that list H52.229 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H52.229.
1 Aetna
CPT Codes Commonly Billed with H52.229
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 H52.229 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 |
|---|---|---|
| H52.229 | 36721 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H52.229
Other codes in section H49-H52 (Disorders of ocular muscles, binocular movement, accommodation and refraction).
ICD-10 H52.229, Billing FAQ
Is ICD-10 code H52.229 billable? +
Yes, H52.229 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does H52.229 map to? +
Per CMS GEMs, H52.229 maps to ICD-9 codes: 36721. 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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