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D05.80

D05.80: Other specified type of carcinoma in situ of unspecified breast

Billable / specific codeICD-10-CMunspecified

D05.80 is a billable, specific ICD-10-CM code for other specified type of carcinoma in situ of unspecified breast. It is valid for submission on a claim.

Check D05.80 with the rest of the claim: free scrubber

Excludes1 inherited from the categories above D05.80

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.

Medicare coverage

D05.80 is named in 11 Medicare coverage policies: 11 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52478External Breast Prostheses - Policy Article
  • A56199Billing and Coding: Molecular Pathology Procedures
  • A56748Billing and Coding: White Cell Colony Stimulating Factors
  • A57449Billing and Coding: BRCA1 and BRCA2 Genetic Testing

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under D05.8

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.