ICD-10 H40.031
Billable / SpecificAnatomical narrow angle, right eye
About ICD-10-CM H40.031
ICD-10-CM code H40.031 represents Anatomical narrow angle, right eye. This is a billable/specific code in the Eye and Adnexa chapter (block H40). The 2026 edition of ICD-10-CM H40.031 became effective on October 1, 2025.
Medicare LCD Coverage for H40.031
Local Coverage Determinations (LCDs) from CMS MACs that list H40.031 as a covered diagnosis.
Showing top 10 of 91 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H40.031.
5 Medicare
CPT Codes Commonly Billed with H40.031
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 76514 CMS LCD: Billing and Coding: Corneal Pachymetry CMS LCD
Convert H40.031 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 |
|---|---|---|
| H40.031 | 36502 | 10000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H40.031
Other codes in section H40-H42 (Glaucoma).
ICD-10 H40.031, Billing FAQ
Is ICD-10 code H40.031 billable? +
Yes, H40.031 is a billable ICD-10-CM code that can appear as a primary or secondary diagnosis on claims.
What CPT codes are commonly billed with H40.031? +
Procedures frequently paired with H40.031 include: 76514.
What ICD-9 codes does H40.031 map to? +
Per CMS GEMs, H40.031 maps to ICD-9 codes: 36502. 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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