Non-Billable / Non-Specific Code
ICD-10-CM E11 is the diagnosis code for Type 2 diabetes mellitus. This code falls under the section "Diabetes mellitus" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as E11. They are mutually exclusive:
Understanding where E11 sits in the ICD-10-CM classification helps ensure proper coding:
No, E11 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
E11 is the ICD-10-CM diagnosis code for "Type 2 diabetes mellitus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
E11 is located in Section E08-E13 — "Diabetes mellitus" within Chapter 4 of the ICD-10-CM Tabular List.
E11 has 10 sub-code(s) that provide more specific detail: E11.0, E11.1, E11.2, E11.3, E11.4 and more.
Use E11 when the patients documented diagnosis matches "Type 2 diabetes mellitus" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Type 2 diabetes mellitus is E11.
No, E11 is non-billable. Use a more specific sub-code for primary diagnosis billing.
E11 is in Chapter 4 of the ICD-10-CM Tabular List.
Type 1 Excludes for E11 include: diabetes mellitus due to underlying condition (E08.-); drug or chemical induced diabetes mellitus (E09.-); gestational diabetes (O24.4-) and more.
Yes, E11 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.