D05 Carcinoma in situ of breast

Category / Non-billable header 16 subcodes

Block: In situ neoplasms (D00-D09)

Excludes 1 (cannot be coded together)

  • 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.-)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code Description Billable
D05..0 Lobular carcinoma in situ of breast No
D05..00 Lobular carcinoma in situ of unspecified breast Yes
D05..01 Lobular carcinoma in situ of right breast Yes
D05..02 Lobular carcinoma in situ of left breast Yes
D05..1 Intraductal carcinoma in situ of breast No
D05..10 Intraductal carcinoma in situ of unspecified breast Yes
D05..11 Intraductal carcinoma in situ of right breast Yes
D05..12 Intraductal carcinoma in situ of left breast Yes
D05..8 Other specified type of carcinoma in situ of breast No
D05..80 Other specified type of carcinoma in situ of unspecified breast Yes
D05..81 Other specified type of carcinoma in situ of right breast Yes
D05..82 Other specified type of carcinoma in situ of left breast Yes
D05..9 Unspecified type of carcinoma in situ of breast No
D05..90 Unspecified type of carcinoma in situ of unspecified breast Yes
D05..91 Unspecified type of carcinoma in situ of right breast Yes
D05..92 Unspecified type of carcinoma in situ of left breast Yes

Last reviewed: September 2026