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H26.491

H26.491: Other secondary cataract, right eye

Billable / specific codeICD-10-CMright

H26.491 is a billable, specific ICD-10-CM code for other secondary cataract, right eye. It is valid for submission on a claim.

Check H26.491 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above H26.491

A category’s note binds every code beneath it.

Written on H26: Other cataract

  • congenital cataract (Q12.0)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

H26.491 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A56453Billing and Coding: Cataract Extraction
  • A56493Billing and Coding: Capsule Opacification Following Cataract Surgery: Discission and YAG Laser Capsulotomy
  • A56544Billing and Coding: Cataract Extraction
  • A56613Billing and Coding: Cataract Surgery

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under H26.49

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.