U.S. ICD-10-CM · FY 2027

E02 ICD-10-CM Code: Subclinical iodine-deficiency hypothyroidism

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

Code definition

Official description

E02

Subclinical iodine-deficiency hypothyroidism

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

Classification

Where E02 sits

  1. 1

    Chapter 4

    Endocrine, nutritional and metabolic diseases (E00-E89)

  2. 2

    Section

    Disorders of thyroid gland (E00-E07)

  3. 3

    Category E02

    Subclinical iodine-deficiency hypothyroidism

  4. 4

    Code E02

    Subclinical iodine-deficiency hypothyroidism

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for E02.

Code first

No “code first” instruction is listed for E02.

Use additional code

No “use additional code” instruction is listed for E02.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for E02.

Excludes2

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

No Excludes2 note is listed for E02.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

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 E02 mean?

E02 is the FY 2027 U.S. ICD-10-CM code for “Subclinical iodine-deficiency hypothyroidism.”

Is E02 a billable or specific ICD-10-CM code?

Yes. In the FY 2027 reference data used on this page, E02 has no child codes and is presented as a billable/specific code. Always confirm the active code set and payer requirements before use.

Where is E02 located in ICD-10-CM?

E02 is listed in Chapter 4, Endocrine, nutritional and metabolic diseases (E00-E89), within Disorders of thyroid gland (E00-E07) (E00–E07), under category E02, Subclinical iodine-deficiency hypothyroidism.

What coding notes are listed for E02?

No inclusion terms are listed for E02 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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