E08
ICD-10Non-billable categoryDiabetes mellitus due to underlying condition
Official ICD-10-CM descriptor (FY2026)
Diabetes mellitus due to underlying condition
E08 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.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- 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.-)
- type 2 diabetes mellitus (E11.-)
Code first
Sequence the underlying condition before this code.
- the underlying condition, such as:
- congenital rubella (P35.0)
- Cushing's syndrome (E24.-)
- cystic fibrosis (E84.-)
- malignant neoplasm (C00-C96)
- malnutrition (E40-E46)
- pancreatitis and other diseases of the pancreas (K85-K86.-)
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 E08
- E08.0Diabetes due to underlying condition w hyperosmolaritycategory
- E08.1Diabetes mellitus due to underlying condition w ketoacidosiscategory
- E08.2Diabetes due to underlying condition w kidney complicationscategory
- E08.3Diabetes due to underlying condition w ophthalmic compcategory
- E08.4Diabetes due to underlying condition w neurological compcategory
- E08.5Diabetes due to underlying condition w circulatory compcategory
- E08.6Diabetes due to underlying condition w oth complicationscategory
- E08.8Diabetes due to underlying condition w unsp complications
- E08.9Diabetes due to underlying condition w/o 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.