MCMCB Pro
E08.311

E08.311Diabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edema

Billable / specific codeICD-10-CM

E08.311 is a billable, specific ICD-10-CM code for diabetes mellitus due to underlying condition with unspecified diabetic retinopathy with macular edema. It is valid for submission on a claim.

Risk adjustment

E08.311 risk-adjusts. Under the CMS-HCC V28 model it maps to these categories:

  • HCC 37 Diabetes with Chronic Complications0.166 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

E08.311 is named in 41 Medicare coverage policies 40 listing it as supporting medical necessity, and 1 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A57069Billing and Coding: Ophthalmic Angiography (Fluorescein and Indocyanine Green)not covered
  • A52370Billing and Coding: Bevacizumab and biosimilars
  • A52451Billing and Coding: Ranibizumab and biosimilars, Aflibercept, Aflibercept HD, Brolucizumab-dbll, Faricimab-svoa, PAVBLU™aflibercept-ayyh, AHZANTIVE®aflibercept-abzv. ENZEEVU™aflibercept-mrbb, OPUVIZ™aflibercept-yszy and YESAFILI™ aflibercept-jbvf
  • A52451Billing and Coding: Ranibizumab and biosimilars, Aflibercept, Aflibercept HD, Brolucizumab-dbll, Faricimab-svoa, PAVBLU™aflibercept-ayyh, AHZANTIVE®aflibercept-abzv. ENZEEVU™aflibercept-mrbb, OPUVIZ™aflibercept-yszy and YESAFILI™ aflibercept-jbvf

How E08.311 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to E08.311.

  • Diabetes, diabeticdue to underlying conditionwithretinopathywith macular edema

Related codes at this level

Codes that share E08.31. If E08.311 is not quite right, the correct code is usually one of these.

Questions about E08.311

Is E08.311 a billable ICD-10-CM code?
Yes. E08.311 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E08.311 sit in the tabular list?
Endocrine, nutritional and metabolic diseases (E00-E89), in the block Diabetes mellitus (E08-E13).
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.