E11
⚠ Non-billable (Header)Type 2 diabetes mellitus
Endocrine, nutritional and metabolic diseases (E00-E89)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ Includes
- • diabetes (mellitus) due to insulin secretory defect
- • diabetes NOS
- • insulin resistant diabetes (mellitus)
📋 Code Instructions
- • 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)
❌ Excludes1
directCannot be coded with 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.-)
Child Codes (10)
E11.0Type 2 diabetes mellitus with hyperosmolarityE11.1Type 2 diabetes mellitus with ketoacidosisE11.2Type 2 diabetes mellitus with kidney complicationsE11.3Type 2 diabetes mellitus with ophthalmic complicationsE11.4Type 2 diabetes mellitus with neurological complicationsE11.5Type 2 diabetes mellitus with circulatory complicationsE11.6Type 2 diabetes mellitus with other specified complicationsE11.8Type 2 diabetes mellitus with unspecified complicationsE11.9Type 2 diabetes mellitus without complicationsE11.AType 2 diabetes mellitus without complications in remission
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CodeE11
BillableNo — Header code
CategoryEndocrine, nutritional and metabolic diseases (E00-E89)
Excludes18 rule(s)
Excludes20 note(s)
Child codes10
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)