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H36.821

H36.821Proliferative sickle-cell retinopathy, right eye

Billable / specific codeICD-10-CMright

H36.821 is a billable, specific ICD-10-CM code for proliferative sickle-cell retinopathy, right eye. It is valid for submission on a claim.

Risk adjustment

H36.821 risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:

  • HCC 108 Sickle Cell Disorders, Except Sickle Cell Anemia (Hb-SS) and Thalassemia Beta Zero; Beta Thalassemia Major0.146 RAF
  • HCC 298 Severe Diabetic Eye Disease, Retinal Vein Occlusion, and Vitreous Hemorrhage0.336 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

H36.821 is named in 14 Medicare coverage policies 14 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A53008Billing and Coding: Intraocular Bevacizumab
  • A53060Billing and Coding: Ophthalmology: Extended Ophthalmoscopy and Fundus Photography
  • A56537Billing and Coding: Scanning Computerized Ophthalmic Diagnostic Imaging (SCODI)
  • A56551Billing and Coding: Visual Fields Testing

Related codes at this level

Codes that share H36.82. If H36.821 is not quite right, the correct code is usually one of these.

Questions about H36.821

Is H36.821 a billable ICD-10-CM code?
Yes. H36.821 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does H36.821 sit in the tabular list?
Diseases of the eye and adnexa (H00-H59), in the block Disorders of choroid and retina (H30-H36).
ICD-10-CMFY2026-Apr· effective April 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.