Short answer · Medically reviewed summary · Last updated: 2026-04-06

The ICD-10 code for diabetes mellitus is categorized under the E10–E14 range, while the historical ICD-9 codes are primarily found within the 250.xx series. As a physician, I understand that navigating the clinical coding for Diabetes can feel overwhelming, especially when you are focused on the daily management of your health. While these codes are essential for medical billing and standardized record-keeping, they represent a vast spectrum of clinical experiences.

4 people with Diabetes have shared their first-person experience on this question at DiseaseMaps.

16

ICD10 code of Diabetes and ICD9 code

ICD-10 and ICD-9 codes for Diabetes, with classification details for clinicians, coders and patients.

ICD9 and ICD10 codes of Diabetes

The ICD-10 code for diabetes mellitus is categorized under the E10–E14 range, while the historical ICD-9 codes are primarily found within the 250.xx series.



As a physician, I understand that navigating the clinical coding for Diabetes can feel overwhelming, especially when you are focused on the daily management of your health. While these codes are essential for medical billing and standardized record-keeping, they represent a vast spectrum of clinical experiences. Diabetes is not a single entity; it is a complex metabolic condition that requires tailored care based on whether it is Type 1, Type 2, or a rarer form of the disease.



Understanding Clinical Coding


The transition from ICD-9 to ICD-10 allowed for significantly more granular detail, which is crucial for the precise management of Diabetes. Under the ICD-10 system, codes are designated based on the type of diabetes and the presence of complications:



  • E10: Type 1 diabetes mellitus (often characterized by autoimmune insulin deficiency).

  • E11: Type 2 diabetes mellitus (characterized by insulin resistance and relative insulin deficiency).

  • E13: Other specified diabetes mellitus (often used for genetic or secondary forms).


These codes are further extended with sub-digits to indicate complications such as diabetic retinopathy, neuropathy, or nephropathy. This specificity helps your healthcare team track the progression of Diabetes and ensures that your treatment plan is as accurate as possible.



Living with the Diagnosis


While codes are vital for the clinical side of your journey, they do not define your experience. Being part of the DiseaseMaps community means you have access to others who understand that Diabetes is more than a string of numbers on a medical chart. It is about blood glucose monitoring, insulin adjustments, and the emotional resilience required to manage a chronic illness every single day. We encourage you to use these resources to advocate for your care, but remember to prioritize your mental well-being alongside your clinical targets.



Disclaimer: This information is for educational purposes and should not replace professional medical advice, diagnosis, or treatment. Always consult with your primary care physician or endocrinologist regarding your specific medical coding or treatment plan.



References



  • World Health Organization (WHO): International Classification of Diseases (ICD-10)

  • NIH National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

  • American Diabetes Association (ADA)

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-04-06
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
5 answers
The ICD 9 code is 250 but there is not yet an ICD 10 code

Posted May 28, 2017 by Jenny 2170
They are different types of diabetes, when you are diagnosed there are I believe 5 categories to fall under and idc9 and idc10 are the most popular.

Posted Jul 22, 2017 by Victoria Lovee Warner 2150
2014 ICD-9-CM Diagnosis Code 250.00 : Diabetes mellitus without mention of complication, type II or unspecified type, not stated as uncontrolled. Short description: DMII wo cmp nt st uncntr.

Posted Jul 22, 2017 by Alaina 2150
These codes tell doctors with a blood test of how good of a control you have on your sugar level

Posted Jul 29, 2018 by Stephen 2600

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