MCMCB Pro
E08.42

E08.42Diabetes mellitus due to underlying condition with diabetic polyneuropathy

Billable / specific codeICD-10-CM

E08.42 is a billable, specific ICD-10-CM code for diabetes mellitus due to underlying condition with diabetic polyneuropathy. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Diabetes mellitus due to underlying condition with diabetic neuralgia

Risk adjustment

E08.42 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 37 Diabetes with Chronic 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

E08.42 is named in 42 Medicare coverage policies 39 listing it as supporting medical necessity, and 3 listing it as NOT covered. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56731Billing and Coding: Nerve Blocks and Electrostimulation for Peripheral Neuropathynot covered
  • A57589Billing and Coding: Nerve Blocks for Peripheral Neuropathynot covered
  • A57663Billing and Coding: Nerve Blocks for Peripheral Neuropathynot covered
  • A52464Glucose Monitor - Policy Article

How E08.42 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 E08.42.

  • Diabetes, diabeticdue to underlying conditionwithneuralgia
  • Diabetes, diabeticdue to underlying conditionwithpolyneuropathy

Related codes at this level

Codes that share E08.4. If E08.42 is not quite right, the correct code is usually one of these.

Questions about E08.42

Is E08.42 a billable ICD-10-CM code?
Yes. E08.42 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does E08.42 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.