E10.A
Non-Billable

Type 1 diabetes mellitus, presymptomatic

Non-Billable / Non-Specific Code

What is Type 1 diabetes mellitus, presymptomatic?

ICD-10-CM E10.A is the diagnosis code for Type 1 diabetes mellitus, presymptomatic. This code falls under the section "Diabetes mellitus" within Chapter 4 — Endocrine, nutritional and metabolic diseases (E00-E89). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions

Coding Guidelines for E10.A

✅ This Code Includes

  • Early-stage type 1 diabetes mellitus

ICD-10-CM Code Hierarchy

Understanding where E10.A sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeE10.A — Type 1 diabetes mellitus, presymptomatic
Sub-Codes (3)
Sub-Codes 3 entries
E10.A0Type 1 diabetes mellitus, presymptomatic, unspecifiedBillableE10.A1Type 1 diabetes mellitus, presymptomatic, Stage 1BillableE10.A2Type 1 diabetes mellitus, presymptomatic, Stage 2Billable
Related Codes

Frequently Asked Questions

Is E10.A a billable ICD-10-CM code?

No, E10.A is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does E10.A mean?

E10.A is the ICD-10-CM diagnosis code for "Type 1 diabetes mellitus, presymptomatic". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of E10.A?

The parent code of E10.A is E10 ("Type 1 diabetes mellitus"). E10.A provides a more specific classification within this category.

What section is E10.A in?

E10.A is located in Section E08-E13 — "Diabetes mellitus" within Chapter 4 of the ICD-10-CM Tabular List.

What are the sub-codes of E10.A?

E10.A has 3 sub-code(s) that provide more specific detail: E10.A0, E10.A1, E10.A2.

When should I use E10.A?

Use E10.A when the patients documented diagnosis matches "Type 1 diabetes mellitus, presymptomatic" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Type 1 diabetes mellitus, presymptomatic?

The ICD-10-CM code for Type 1 diabetes mellitus, presymptomatic is E10.A.

Can E10.A be used for primary diagnosis?

No, E10.A is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is E10.A in?

E10.A is in Chapter 4 of the ICD-10-CM Tabular List.

Is E10.A valid for 2026?

Yes, E10.A is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousE10.9Type 1 diabetes mellitus without complicationsNext →E10.A0Type 1 diabetes mellitus, presymptomatic, unspecified
Code Details
E10.A
Type 1 diabetes mellitus, presymptomatic
Non-Billable / Non-Specific Code
4 — Endocrine, nutritional and metabolic diseases (E00-E89)
E08-E13 — Diabetes mellitus
2026 ICD-10-CM