ICDcodes.org
FY2027

E11.A — Type 2 diabetes mellitus without complications in remission

Billable

Is E11.A billable?

Yes — E11.A is billable for FY2027. E11.A is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. E11.A may be submitted for encounters from October 1, 2026 through September 30, 2027.

E11.A at a glance

CodeE11.A
DescriptionType 2 diabetes mellitus without complications in remission
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

What Medicare edits apply to E11.A?

The Medicare Code Editor screens inpatient claims before they are grouped. These edits name E11.A directly.

Questionable as an admission diagnosis — MCE edit 8

CMS does not consider this code, on its own, sufficient justification for admission to an acute care hospital when reported as the principal diagnosis.

Which MS-DRGs does E11.A group to?

E11.A sits in MDC 10 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 637Diabetes with MCCmedical
  • 638Diabetes with CCmedical
  • 639Diabetes without CC/MCCmedical

How is E11.A listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to E11.A. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Diabetes, diabetic › without complications in remission (mellitus) (sugar)
  • Diabetes, diabetic › type 2 › without complications in remission (mellitus) (sugar)

Excludes1 — never code together

The conditions below can never be reported together with E11.A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • type 2 diabetes mellitus, with complications (E11.0-E11.8)
  • type 2 diabetes mellitus, without complications not in remission (E11.9)

Excludes1 — never code together — inherited from Chapter 4

The conditions below can never be reported together with E11.A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)

Excludes1 — never code together — inherited from E11

The conditions below can never be reported together with E11.A on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

  • 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.-)

Use additional code — inherited from E11

Report an additional code alongside E11.A to fully describe the condition. E11.A is sequenced first.

  • code to identify control using:
  • injectable non-insulin antidiabetic drugs (Z79.85)
  • insulin (Z79.4)
  • oral antidiabetic drugs (Z79.84)
  • oral hypoglycemic drugs (Z79.84)

How long has E11.A existed?

E11.A first appears in FY2026.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which codes are confused with E11.A?

ICD-10-CM declares these codes mutually exclusive with E11.A — exactly one of each pair can be correct for a given encounter.

Which conditions are coded to E11.A?

What other codes are in the E11 family? (9)