2025 ICD-10-CM Diagnosis Code E10.A1

Type 1 diabetes mellitus, presymptomatic, Stage 1

• E10.A1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• ICD-10-CM E10.A1 is a new 2025 ICD-10-CM code that became effective on October 1, 2024.
• This is the American ICD-10-CM version of E10.A1 – other international versions of ICD-10 E10.A1 may differ.

Applicable To

• Multiple confirmed islet autoantibodies with normoglycemia

The following code(s) above E10.A1 contain annotation back-references

 that may be applicable to E10.A1:

• E00-E89  Endocrine, nutritional and metabolic diseases
• E10  Type 1 diabetes mellitus
• E10.A  Type 1 diabetes mellitus, presymptomatic

ICD-10-CM E10.A1 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 008 Simultaneous pancreas and kidney transplant
• 010 Pancreas transplant
• 019 Simultaneous pancreas and kidney transplant with hemodialysis
• 637 Diabetes with mcc
• 638 Diabetes with cc
• 639 Diabetes without cc/mcc

Code History

• 2025 (effective 10/1/2024): New code

Diagnosis Index entries containing back-references to E10.A1:

• Autoantibodies, multiple confirmed islet, with normoglycemia E10.A1
• Diabetes, diabetic (mellitus) (sugar) E11.9
  • type 1E10.9
    • presymptomaticE10.A0
      • Stage 1 E10.A1