E08.1
⚠ Non-billable (Header)Diabetes mellitus due to underlying condition with ketoacidosis
Endocrine, nutritional and metabolic diseases (E00-E89)
⚠️ This is a category header code — not billable. Use a more specific child code below.
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • 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 Instructions
inherited- • 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)
- • Code first: the underlying condition, such as:
- • Code first: congenital rubella (P35.0)
- • Code first: Cushing's syndrome (E24.-)
- • Code first: cystic fibrosis (E84.-)
- • Code first: malignant neoplasm (C00-C96)
- • Code first: malnutrition (E40-E46)
- • Code first: pancreatitis and other diseases of the pancreas (K85-K86.-)
Child Codes (2)
Clinical Description
ICD-10-CM code E08.1 represents diabetes mellitus due to underlying condition with ketoacidosis. This code falls under the Endocrine, nutritional and metabolic diseases (E00-E89) classification. It is a non-billable category header code. A more specific child code from the list below must be used for billing and reimbursement purposes.
This is a 5-character code at the 4th level of specificity. There are 2 more specific child codes under E08.1. Coders should note that E08.1 has 8 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code E08.1?
ICD-10-CM code E08.1 is "Diabetes mellitus due to underlying condition with ketoacidosis". It belongs to the category: Endocrine, nutritional and metabolic diseases (E00-E89).
Is E08.1 a billable ICD-10 code?
No, E08.1 is a non-billable header code. A more specific child code must be used for billing.
What codes are excluded with E08.1?
E08.1 has 8 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Related Codes in E08
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)