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D05.1

D05.1: Intraductal carcinoma in situ of breast

Non-billable headerICD-10-CM

D05.1 is a non-billable header ICD-10-CM code for intraductal carcinoma in situ of breast. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 inherited from the categories above D05.1

A category’s note binds every code beneath it.

Written on D05: Carcinoma in situ of breast

  • 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.-)

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Code history

Unchanged in every release from FY2024 to FY2027.

Code to one of these instead D05.1

3 child codes. Green means billable.

Other codes under D05

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.