MCMedicalCodingSoftware
E11.9

E11.9: Type 2 diabetes mellitus without complications

Billable / specific codeICD-10-CM

E11.9 is a billable, specific ICD-10-CM code for type 2 diabetes mellitus without complications. It is valid for submission on a claim.

Check E11.9 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

  • type 2 diabetes mellitus, without complications in remission (E11.A)

Excludes1 inherited from the categories above E11.9

A category’s note binds every code beneath it.

Written on E11: Type 2 diabetes mellitus

  • diabetes mellitus due to underlying condition (E08.-)
  • drug or chemical induced diabetes mellitus (E09.-)
  • gestational diabetes (O24.4-)
  • neonatal diabetes mellitus (P70.2)
  • postpancreatectomy diabetes mellitus (E13.-)
  • postprocedural diabetes mellitus (E13.-)
  • secondary diabetes mellitus NEC (E13.-)
  • type 1 diabetes mellitus (E10.-)

Other codes that can never be billed with E11.9

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • E08Diabetes mellitus due to underlying condition
  • E09Drug or chemical induced diabetes mellitus
  • E10Type 1 diabetes mellitus
  • E11.AType 2 diabetes mellitus without complications in remission

Risk adjustment

E11.9 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 38 Diabetes with No, Glycemic, or Unspecified 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. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

E11.9 is named in 35 Medicare coverage policies: 35 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

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

Alphabetic index entries that lead here

  • Diabetes, diabetic(mellitus) (sugar)
  • Diabetes, diabetic›type 2

There’s a guided path to this code

The condition this code belongs to

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under E11

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.