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

New code · FY2026

Billable: use this code on claims.

• New code, effective October 1, 2025 (FY2026).

Code breakdown

Coding notes

Excludes1

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

Includes (from E11)

• diabetes (mellitus) due to insulin secretory defect
• diabetes NOS
• insulin resistant diabetes (mellitus)

Excludes1 (from E11)

• 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 (from E11)

• 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)

Medicare coverage

E11.A is listed as a covered diagnosis in 3 Medicare billing and coding articles:

• A52370 Billing and Coding: Bevacizumab and biosimilars
• A56232 Billing and Coding: Foot Care
• A56544 Billing and Coding: Cataract Extraction

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All FY2026 ICD-10-CM changes

ICD-10-CM codes and descriptions are from the CMS and NCHS code files. Coverage is from the CMS Medicare Coverage Database billing and coding articles.