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D05

⚠ Non-billable (Header)

Carcinoma in situ of breast

Neoplasms (C00-D49)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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❌ Excludes1

direct

Cannot be coded with D05

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

⚠️ Excludes2

direct

May be coded together if both conditions coexist

  • • malignant neoplasm of breast (C50.-)

Child Codes (4)

D05.0Lobular carcinoma in situ of breastD05.1Intraductal carcinoma in situ of breastD05.8Other specified type of carcinoma in situ of breastD05.9Unspecified type of carcinoma in situ of breast

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Code Information

CodeD05
BillableNo — Header code
CategoryNeoplasms (C00-D49)
Excludes13 rule(s)
Excludes21 note(s)
Child codes4

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)