E10.9 Type 1 diabetes mellitus without complications
ICD-10-CM · CMS code reference
Official ICD-10-CM description: Type 1 diabetes mellitus without complications
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
- brittle diabetes (mellitus)
- diabetes (mellitus) due to autoimmune process
- diabetes (mellitus) due to immune mediated pancreatic islet beta-cell destruction
- idiopathic diabetes (mellitus)
- juvenile onset diabetes (mellitus)
- ketosis-prone 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-)
- hyperglycemia NOS (R73.9)
- neonatal diabetes mellitus (P70.2)
- postpancreatectomy diabetes mellitus (E13.-)
- postprocedural diabetes mellitus (E13.-)
- secondary diabetes mellitus NEC (E13.-)
- type 2 diabetes mellitus (E11.-)
Related codes
E10.641Type 1 diabetes mellitus with hypoglycemia with coma ICD-10-CME10.649Type 1 diabetes mellitus with hypoglycemia without coma ICD-10-CME10.65Type 1 diabetes mellitus with hyperglycemia ICD-10-CME10.69Type 1 diabetes mellitus with other specified complication ICD-10-CME10.8Type 1 diabetes mellitus with unspecified complications ICD-10-CME10.A0Type 1 diabetes mellitus, presymptomatic, unspecified ICD-10-CME10.A1Type 1 diabetes mellitus, presymptomatic, Stage 1 ICD-10-CME10.A2Type 1 diabetes mellitus, presymptomatic, Stage 2 ICD-10-CM
Common questions
Is E10.9 a billable code?
Yes. E10.9 is a billable ICD-10-CM code in the ICD-10-CM FY2027 (effective October 1, 2026) code set.