U.S. ICD-10-CM · FY 2027

E10 ICD-10-CM Code: Type 1 diabetes mellitus

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

E10

Type 1 diabetes mellitus

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where E10 sits

  1. 1

    Chapter 4

    Endocrine, nutritional and metabolic diseases (E00-E89)

  2. 2

    Section

    Diabetes mellitus (E08-E13)

  3. 3

    Category E10

    Type 1 diabetes mellitus

  4. 4

    Code E10

    Type 1 diabetes mellitus

More specific choices

Codes under E10

E10 is a non-billable category. Choose the child code that best matches the documented diagnosis.

E10.1

Type 1 diabetes mellitus with ketoacidosis

E10.2

Type 1 diabetes mellitus with kidney complications

E10.3

Type 1 diabetes mellitus with ophthalmic complications

E10.4

Type 1 diabetes mellitus with neurological complications

E10.5

Type 1 diabetes mellitus with circulatory complications

E10.6

Type 1 diabetes mellitus with other specified complications

E10.8

Type 1 diabetes mellitus with unspecified complications

E10.9

Type 1 diabetes mellitus without complications

E10.A

Type 1 diabetes mellitus, presymptomatic

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for E10.

Code first

No “code first” instruction is listed for E10.

Use additional code

No “use additional code” instruction is listed for E10.

Excludes1

Conditions that should not be reported together with this code.

  • 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.-)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for E10.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code E10 mean?

E10 is the FY 2027 U.S. ICD-10-CM code for “Type 1 diabetes mellitus.”

Is E10 a billable or specific ICD-10-CM code?

No. E10 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is E10 located in ICD-10-CM?

E10 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Diabetes mellitus (E08-E13) (E08–E13), under category E10, Type 1 diabetes mellitus.

What coding notes are listed for E10?

No inclusion terms are listed for E10 in this reference record. No code-first instruction is listed. Excludes1 notes: 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.-). No Excludes2 note is listed.

Ready to transform your clinical documentation?

Join Vero and see how effortless documentation can be.

Try for free

  • No credit card required

  • Cancel anytime