ICD-10 H26.40
Billable / SpecificUnspecified secondary cataract
About ICD-10-CM H26.40
ICD-10-CM code H26.40 represents Unspecified secondary cataract. This is a billable/specific code in the Eye and Adnexa chapter (block H26). The 2026 edition of ICD-10-CM H26.40 became effective on October 1, 2025.
Medicare LCD Coverage for H26.40
Local Coverage Determinations (LCDs) from CMS MACs that list H26.40 as a covered diagnosis.
Showing top 10 of 18 total . Click a CPT for full coverage scope.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing H26.40.
3 Medicare
1 Aetna
CPT Codes Commonly Billed with H26.40
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
- 66820 CMS LCD: Billing and Coding: Capsule Opacification Following Cataract Surgery: Discission and YAG Laser Capsulotomy CMS LCD
Convert H26.40 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 |
|---|---|---|
| H26.40 | 36650 | 00000 |
Flags format (5 digits): Approximate · No Map · Combination · Scenario · Choice List. Source: CMS 2017 GEMs (final version).
Codes Adjacent To H26.40
Other codes in section H25-H28 (Disorders of lens).
ICD-10 H26.40, Billing FAQ
Is ICD-10 code H26.40 billable? +
Yes, H26.40 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 H26.40? +
Procedures frequently paired with H26.40 include: 66820.
What ICD-9 codes does H26.40 map to? +
Per CMS GEMs, H26.40 maps to ICD-9 codes: 36650. 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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