E13
ICD-10Non-billable categoryOther specified diabetes mellitus
Official ICD-10-CM descriptor (FY2026)
Other specified diabetes mellitus
E13 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.
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
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- 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 code
Report an additional code to identify the associated condition.
- 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)
More specific codes under E13
- E13.0Other specified diabetes mellitus with hyperosmolaritycategory
- E13.1Other specified diabetes mellitus with ketoacidosiscategory
- E13.2Other specified diabetes mellitus with kidney complicationscategory
- E13.3Oth diabetes mellitus with ophthalmic complicationscategory
- E13.4Oth diabetes mellitus with neurological complicationscategory
- E13.5Oth diabetes mellitus with circulatory complicationscategory
- E13.6Oth diabetes mellitus with other specified complicationscategory
- E13.8Oth diabetes mellitus with unspecified complications
- E13.9Other specified diabetes mellitus without complications
Where this code sits
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.