Coding and coverage · ICD-10-CM

E13 Other specified diabetes mellitus

Not billable (header)Chapter 4

Report one of the more specific codes below.

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Codes under this one

  • E13.0 Other specified diabetes mellitus with hyperosmolarityHeader
  • E13.1 Other specified diabetes mellitus with ketoacidosisHeader
  • E13.2 Other specified diabetes mellitus with kidney complicationsHeader
  • E13.3 Other specified diabetes mellitus with ophthalmic complicationsHeader
  • E13.4 Other specified diabetes mellitus with neurological complicationsHeader
  • E13.5 Other specified diabetes mellitus with circulatory complicationsHeader
  • E13.6 Other specified diabetes mellitus with other specified complicationsHeader
  • E13.8 Other specified diabetes mellitus with unspecified complications
  • E13.9 Other specified diabetes mellitus without complications

Instructional notes

Chapter 4

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • transitory endocrine and metabolic disorders specific to newborn (P70-P74)
Notes
  • 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.

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • diabetes (mellitus) due to autoimmune process (E10.-)
  • diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction (E10.-)
  • diabetes mellitus due to underlying condition (E08.-)
  • drug or chemical induced diabetes mellitus (E09.-)
  • gestational diabetes (O24.4-)
  • neonatal diabetes mellitus (P70.2)
  • type 1 diabetes mellitus (E10.-)
Use additional codeAdd a second code for the full picture.
  • 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)
Includes
  • diabetes mellitus due to genetic defects of beta-cell function
  • diabetes mellitus due to genetic defects in insulin action
  • postpancreatectomy diabetes mellitus
  • postprocedural diabetes mellitus
  • secondary diabetes mellitus NEC

Chapter 4: Endocrine, nutritional and metabolic diseases · E08-E13 Diabetes mellitus (E08-E13)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.