MCMedicalCodingSoftware
E88.818

E88.818: Other insulin resistance

Billable / specific codeICD-10-CM

E88.818 is a billable, specific ICD-10-CM code for other insulin resistance. It is valid for submission on a claim.

Check E88.818 with the rest of the claim: free scrubber

Inclusion terms

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

  • Insulin resistance syndrome, Type B

Excludes1 inherited from the categories above E88.818

A category’s note binds every code beneath it.

Written on E88: Other and unspecified metabolic disorders

  • histiocytosis X (chronic) (C96.6)

Risk adjustment

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

Medicare coverage

E88.818 is named in 4 Medicare coverage policies: 4 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A56421Billing and Coding: CT of the Abdomen and Pelvis
  • A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
  • A57326Billing and Coding: Electrocardiograms

Alphabetic index entries that lead here

  • Resistance, resistant›insulin›specified type NEC
  • Syndrome›insulin resistance›type B

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under E88.81

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.