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  6. 2025 ICD-10-CM Code E10.A1

2025 ICD-10-CM Diagnosis Code E10.A1

Type 1 diabetes mellitus, presymptomatic, Stage 1

ICD-10-CM Code:
E10.A1
ICD-10 Code for:
Type 1 diabetes mellitus, presymptomatic, Stage 1
Is Billable?
Yes - Valid for Submission
Code Navigator:

E10.A1 is a billable diagnosis code used to specify a medical diagnosis of type 1 diabetes mellitus, presymptomatic, stage 1. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2024 through September 30, 2025.

Code Classification

  • Endocrine, nutritional and metabolic diseases
    (E00–E89)
    • Diabetes mellitus
      (E08-E13)
      • Type 1 diabetes mellitus
        (E10)

Coding Guidelines

The diabetes mellitus codes are combination codes that include the type of diabetes mellitus, the body system affected, and the complications affecting that body system. As many codes within a particular category as are necessary to describe all of the complications of the disease may be used. They should be sequenced based on the reason for a particular encounter. Assign as many codes from categories E08 - E13 as needed to identify all of the associated conditions that the patient has.

The age of a patient is not the sole determining factor, though most type 1 diabetics develop the condition before reaching puberty. For this reason type 1 diabetes mellitus is also referred to as juvenile diabetes.

New 2025 ICD-10-CM Code

E10.A1 is new to ICD-10-CM code set for the FY 2025, effective October 1, 2024. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2024. This is a new and revised code for the FY 2025 (October 1, 2024 - September 30, 2025).

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
  • Multiple confirmed islet autoantibodies with normoglycemia

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

Replacement Code

E10A1 replaces the following previously assigned ICD-10-CM code(s):

  • R73.03 - Prediabetes

Code History