U.S. ICD-10-CM · FY 2027

D09 ICD-10-CM Code: Carcinoma in situ of other and unspecified sites

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

Code definition

Official description

D09

Carcinoma in situ of other and unspecified sites

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

Classification

Where D09 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    In situ neoplasms (D00-D09)

  3. 3

    Category D09

    Carcinoma in situ of other and unspecified sites

  4. 4

    Code D09

    Carcinoma in situ of other and unspecified sites

More specific choices

Codes under D09

D09 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 D09.

Code first

No “code first” instruction is listed for D09.

Use additional code

No “use additional code” instruction is listed for D09.

Excludes1

Conditions that should not be reported together with this code.

  • melanoma in situ (D03.-)

Excludes2

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

No Excludes2 note is listed for D09.

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 D09 mean?

D09 is the FY 2027 U.S. ICD-10-CM code for “Carcinoma in situ of other and unspecified sites.”

Is D09 a billable or specific ICD-10-CM code?

No. D09 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 D09 located in ICD-10-CM?

D09 is listed in Chapter 2, Neoplasms (C00-D49), within In situ neoplasms (D00-D09) (D00–D09), under category D09, Carcinoma in situ of other and unspecified sites.

What coding notes are listed for D09?

No inclusion terms are listed for D09 in this reference record. No code-first instruction is listed. Excludes1 notes: melanoma in situ (D03.-). No Excludes2 note is listed.

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