E10.A2 Type 1 diabetes mellitus, presymptomatic, Stage 2
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The ICD-10-CM code for Type 1 diabetes mellitus, presymptomatic, Stage 2 is E10.A2 (FY2026). It is a billable, claim-ready diagnosis code.
Classification
- Section
- E08-E13: Diabetes mellitus (E08-E13)
- Category E10
- 65 codes (48 billable)
- FY2026 Status
- Introduced in FY2025
Also Known As
ICD-10-CM Alphabetic Index entries that lead to E10.A2:
- Autoimmunity, confirmed islet, with dysglycemia
- Diabetes, diabetic (mellitus) (sugar) › type 1 › presymptomatic › Stage 2
Inclusion Terms
- Confirmed islet autoimmunity with dysglycemia
Official Coding Guidelines
Presymptomatic type 1 diabetes—use E10.A-(a) Presymptomatic Type 1 Diabetes Mellitus Codes E10.A-, Type 1 diabetes mellitus, presymptomatic, are assigned for early-stage type 1 diabetes that predates the onset of symptoms.
Diabetes mellitus (TOC entry)a. Diabetes mellitus ................................................................................................................... 39
Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026
References
Cite This Page
Reference E10.A2 with the canonical source and edition:
E10.A2 — Type 1 diabetes mellitus, presymptomatic, Stage 2. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/E10.A2
Canonical URL: https://icd10codingpro.com/codes/E10.A2