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2 Minute MedicineICD-10 Lookup

ICD-10-CM code · FY2027

E11 Type 2 diabetes mellitus

Header codeNot billable: use one of the 87 billable codes below

About E11

Code
E11
Billable
No, header
Short description
Type 2 diabetes mellitus
Block
E08-E13 Diabetes mellitus
Chapter
4 Endocrine, nutritional and metabolic diseases
Code set
FY2027, October 1, 2026 to September 30, 2027

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Coding notes for E11

Includes Conditions this code covers.

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

Excludes1 Not coded here: never report these together with this code (use the code given instead).

  • 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 Add a second code for the detail named here.

  • 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)
Chapter 4 notes (apply to every code in it)

Note

  • 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.

Excludes1 Not coded here: never report these together with this code (use the code given instead).

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

Codes under E11 116

Other categories in E08-E13

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