ICD-10 H50.021
Billable / SpecificMonocular esotropia with A pattern, right eye
About ICD-10-CM H50.021
ICD-10-CM code H50.021 represents Monocular esotropia with A pattern, right eye. This is a billable/specific code in the Eye and Adnexa chapter (block H50). The 2026 edition of ICD-10-CM H50.021 became effective on October 1, 2025.
Medicare LCD Coverage for H50.021
Local Coverage Determinations (LCDs) from CMS MACs that list H50.021 as a covered diagnosis.
Showing top 10 of 576 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H50.021.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with H50.021
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 H50.021 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 |
|---|---|---|
| H50.021 | 37802 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H50.021
Other codes in section H49-H52 (Disorders of ocular muscles, binocular movement, accommodation and refraction).
ICD-10 H50.021, Billing FAQ
Is ICD-10 code H50.021 billable? +
Yes, H50.021 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does H50.021 map to? +
Per CMS GEMs, H50.021 maps to ICD-9 codes: 37802. 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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