D05 ICD-10-CM Code: Carcinoma in situ of breast

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

Official description

D05

Carcinoma in situ of breast

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

Where D05 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

    In situ neoplasms (D00-D09)

  3. 3

    Category D05

    Carcinoma in situ of breast

  4. 4

    Code D05

    Carcinoma in situ of breast

Codes under D05

D05 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Notes for this code

Inclusion terms

No inclusion terms are listed for D05.

Code first

No “code first” instruction is listed for D05.

Use additional code

No “use additional code” instruction is listed for D05.

Excludes1

Conditions that should not be reported together with this code.

  • carcinoma in situ of skin of breast (D04.5)
  • malignant neoplasm of breast (C50.-)
  • melanoma in situ of breast (skin) (D03.5)
  • Paget's disease of breast or nipple (C50.-)

Excludes2

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

No Excludes2 note is listed for D05.

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.

Frequently asked questions

What does ICD-10-CM code D05 mean?

D05 is the FY 2027 U.S. ICD-10-CM code for “Carcinoma in situ of breast.”

Is D05 a billable or specific ICD-10-CM code?

No. D05 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 D05 located in ICD-10-CM?

D05 is listed in Chapter 2, Neoplasms (C00-D49), within In situ neoplasms (D00-D09) (D00–D09), under category D05, Carcinoma in situ of breast.

What coding notes are listed for D05?

No inclusion terms are listed for D05 in this reference record. No code-first instruction is listed. Excludes1 notes: carcinoma in situ of skin of breast (D04.5); malignant neoplasm of breast (C50.-); melanoma in situ of breast (skin) (D03.5); Paget's disease of breast or nipple (C50.-). No Excludes2 note is listed.