ICD-10 H49.02
Billable / SpecificThird [oculomotor] nerve palsy, left eye
About ICD-10-CM H49.02
ICD-10-CM code H49.02 represents Third [oculomotor] nerve palsy, left eye. This is a billable/specific code in the Eye and Adnexa chapter (block H49). The 2026 edition of ICD-10-CM H49.02 became effective on October 1, 2025.
Medicare LCD Coverage for H49.02
Local Coverage Determinations (LCDs) from CMS MACs that list H49.02 as a covered diagnosis.
Showing top 10 of 686 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H49.02.
1 Cigna
5 Medicare
CPT Codes Commonly Billed with H49.02
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 H49.02 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 |
|---|---|---|
| H49.02 | 37851 | 10000 |
| H49.02 | 37852 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H49.02
Other codes in section H49-H52 (Disorders of ocular muscles, binocular movement, accommodation and refraction).
ICD-10 H49.02, Billing FAQ
Is ICD-10 code H49.02 billable? +
Yes, H49.02 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What ICD-9 codes does H49.02 map to? +
Per CMS GEMs, H49.02 maps to ICD-9 codes: 37851, 37852. 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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