ICD-10 Lookup Tool
The ICD-10 Lookup Tool provides instant access to medical diagnosis codes. Get comprehensive code information including billable status, synonyms, clinical details, and coding tips—all stored in our database for lightning-fast results.
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✅ Billable/Specific Code
2025 ICD-10-CM
Effective: Oct 1, 2024
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Important: This tool uses AI to assist with code lookups. While we strive for accuracy, AI can make mistakes. Always verify information with official ICD-10 resources before using in medical billing or clinical documentation.
**2025 ICD-10-CM Diagnosis Code E11.9**
**Type 2 diabetes mellitus without complications**
**Years:** 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | **2025**
**Billable/Specific Code**
E11.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2025 edition of ICD-10-CM E11.9 became effective on October 1, 2021.
This is the American ICD-10-CM version of E11.9 - other international versions of ICD-10 E11.9 may differ.
The following code(s) above E11.9 contain annotation back-references that may be applicable to E11.9:
**Chapter 4 - Endocrine, nutritional and metabolic diseases (E00-E89)**
**E08-E13 - Diabetes mellitus**
**Approximate Synonyms**
Type 2 diabetes
Non-insulin dependent diabetes
Adult-onset diabetes
**Clinical Information**
Diabetes mellitus is a chronic condition characterized by elevated blood glucose levels.
Symptoms include increased thirst, frequent urination, unexplained weight loss, and fatigue.
Proper diagnosis and coding of diabetes are crucial for accurate billing and appropriate treatment.
Treatment involves lifestyle modifications, oral medications, insulin therapy, and regular monitoring.
**ICD-10-CM E11.9 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):**
638 - Diabetes with CC
639 - Diabetes without CC/MCC
**Related ICD-10 Codes:**
- [E11.65 - Type 2 diabetes mellitus with hyperglycemia](/icd10-lookup/type-2-diabetes-mellitus-with-hyperglycemia)
- [E11.621 - Type 2 diabetes mellitus with foot ulcer](/icd10-lookup/type-2-diabetes-mellitus-with-foot-ulcer)
**Convert E11.9 to ICD-9-CM**
ICD-9-CM equivalent: 250.00
**Coding Tips:**
• Assign codes to the highest level of specificity based on documentation.
• Regularly review and update diabetes documentation to reflect the current status of the condition.
**Documentation Requirements:**
• Include details on the type of diabetes (e.g., type 1, type 2).
• Document any diabetic complications or comorbidities.
**Common Coding Errors to Avoid:**
• Not documenting the type of diabetes accurately.
• Missing documentation of diabetic complications.
**Reimbursement Considerations:**
• Ensure accurate coding of diabetic complications for appropriate reimbursement.
• Regularly review coding guidelines and updates related to diabetes coding.
**Code History**
2021 (effective 10/1/2020): No change
2020 (effective 10/1/2019): No change
**Code annotations containing back-references to E11.9:**
Code Also: any associated underlying condition
Use Additional Code: code to identify any insulin use (Z79.4)
**Diagnosis Index entries containing back-references to E11.9:**
Diabetes, type 2
Mellitus, non-insulin-dependent
Sugar diabetes
**Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.**