E11.65 Type 2 diabetes mellitus with hyperglycemia
ICD-10-CM · CMS code reference
E11.65 is type 2 diabetes with high blood sugar (hyperglycemia). If the record documents low blood sugar instead, use E11.649, or E11.641 with coma.
Coding notes
From the ICD-10-CM FY2027 (effective October 1, 2026) tabular list. Notes on a parent code or category apply here too.
Includes
- diabetes (mellitus) due to insulin secretory defect
- diabetes NOS
- insulin resistant diabetes (mellitus)
Excludes1
Not coded together with this code. The exception is when the two conditions are unrelated to each other.
- diabetes mellitus due to underlying condition (E08.-)
- 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.-)
Use additional code
Add a second code for the following, when documented.
Related codes
E11.621Type 2 diabetes mellitus with foot ulcer ICD-10-CME11.622Type 2 diabetes mellitus with other skin ulcer ICD-10-CME11.628Type 2 diabetes mellitus with other skin complications ICD-10-CME11.630Type 2 diabetes mellitus with periodontal disease ICD-10-CME11.638Type 2 diabetes mellitus with other oral complications ICD-10-CME11.641Type 2 diabetes mellitus with hypoglycemia with coma ICD-10-CME11.649Type 2 diabetes mellitus with hypoglycemia without coma ICD-10-CME11.69Type 2 diabetes mellitus with other specified complication ICD-10-CM
Common questions
What's the difference between E11.65 and E11.9?
E11.9 is type 2 diabetes with no complication documented. E11.65 is for when hyperglycemia, meaning high blood sugar, is documented as part of the type 2 diabetes.
Is E11.65 a billable code?
Yes. E11.65 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.