MCMCB Pro
E08.00

E08.00Diabetes mellitus due to underlying condition with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (NKHHC)

Billable / specific codeICD-10-CM

E08.00 is a billable, specific ICD-10-CM code for diabetes mellitus due to underlying condition with hyperosmolarity without nonketotic hyperglycemic-hyperosmolar coma (nkhhc). It is valid for submission on a claim.

Risk adjustment

E08.00 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 36 Diabetes with Severe Acute Complications0.166 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

E08.00 is named in 19 Medicare coverage policies 19 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52464Glucose Monitor - Policy Article
  • A52501Therapeutic Shoes for Persons with Diabetes - Policy Article
  • A52507External Infusion Pumps - Policy Article
  • A52996Billing and Coding: Routine Foot Care

How E08.00 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 E08.00.

  • Diabetes, diabeticdue to underlying conditionwithhyperosmolarity

Related codes at this level

Codes that share E08.0. If E08.00 is not quite right, the correct code is usually one of these.

Questions about E08.00

Is E08.00 a billable ICD-10-CM code?
Yes. E08.00 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E08.00 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.