U.S. ICD-10-CM · FY 2027

D03 ICD-10-CM Code: Melanoma in situ

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

Code definition

Official description

D03

Melanoma in situ

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

Classification

Where D03 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    In situ neoplasms (D00-D09)

  3. 3

    Category D03

    Melanoma in situ

  4. 4

    Code D03

    Melanoma in situ

More specific choices

Codes under D03

D03 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for D03.

Code first

No “code first” instruction is listed for D03.

Use additional code

No “use additional code” instruction is listed for D03.

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for D03.

Excludes2

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

No Excludes2 note is listed for D03.

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 D03 mean?

D03 is the FY 2027 U.S. ICD-10-CM code for “Melanoma in situ.”

Is D03 a billable or specific ICD-10-CM code?

No. D03 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 D03 located in ICD-10-CM?

D03 is listed in Chapter 2, Neoplasms (C00-D49), within In situ neoplasms (D00-D09) (D00–D09), under category D03, Melanoma in situ.

What coding notes are listed for D03?

No inclusion terms are listed for D03 in this reference record. No code-first instruction is listed. No Excludes1 note is listed. No Excludes2 note is listed.

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