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E11Non-billableSave

E11 - Type 2 diabetes mellitus

ICD-10-CM Chapter 4: Endocrine, nutritional and metabolic diseases · E08-E13 Diabetes mellitus (E08-E13) · Top-level category · FY2027

Coding Guidance

E11 is a non-billable heading. Report one of the 10 more specific codes below.

Includes, Excludes and Coding Notes

IncludesFrom E11

Conditions this code covers.

  • diabetes (mellitus) due to insulin secretory defect
  • diabetes NOS
  • insulin resistant diabetes (mellitus)
Excludes 1 — Not Coded HereFrom E11

Mutually exclusive: these conditions are never reported together with this code.

  • 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 CodeFrom E11

Add a secondary code to identify the associated condition or cause when it is documented.

  • 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)
Excludes 1 — Not Coded HereFrom Chapter E00-E89

Mutually exclusive: these conditions are never reported together with this code.

  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
NotesFrom Chapter E00-E89

Instructional notes from the ICD-10-CM tabular list.

  • All neoplasms, whether functionally active or not, are classified in Chapter 2. Appropriate codes in this chapter (i.e. E05.8, E07.0, E16-E31, E34.-) may be used as additional codes to indicate either functional activity by neoplasms and ectopic endocrine tissue or hyperfunction and hypofunction of endocrine glands associated with neoplasms and other conditions classified elsewhere.

More Specific Codes (10)

E11.0Type 2 diabetes mellitus with hyperosmolarity→E11.1Type 2 diabetes mellitus with ketoacidosis→E11.2Type 2 diabetes mellitus with kidney complications→E11.3Type 2 diabetes mellitus with ophthalmic complications→E11.4Type 2 diabetes mellitus with neurological complications→E11.5Type 2 diabetes mellitus with circulatory complications→E11.6Type 2 diabetes mellitus with other specified complications→E11.8Type 2 diabetes mellitus with unspecified complications→E11.9Type 2 diabetes mellitus without complications→E11.AType 2 diabetes mellitus without complications in remission→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with E11.