Breast Cancer ICD-10 Code Reference Sheet
| FEMALE |
| Right |
| C50.011 |
Malignant neoplasm of nipple and areola, right female breast |
| C50.111 |
Malignant neoplasm of central portion, right female breast |
| C50.211 |
Malignant neoplasm of upper-inner quadrant, right female breast |
| C50.311 |
Malignant neoplasm of lower-inner quadrant, right female breast |
| C50.411 |
Malignant neoplasm of upper-outer quadrant, right female breast |
| C50.511 |
Malignant neoplasm of lower-outer quadrant, right female breast |
| C50.611 |
Malignant neoplasm of axillary tail, right female breast |
| C50.811 |
Malignant neoplasm of overlapping sites, right female breast |
| C50.911 |
Malignant neoplasm of unspecified site, right female breast |
| D05.01 |
Lobular carcinoma in situ, right breast |
| D05.11 |
Intraductal carcinoma in situ, right breast |
| D05.81 |
Other specified type of carcinoma in situ, right breast |
| Left |
| C50.012 |
Malignant neoplasm of nipple and areola, left female breast |
| C50.112 |
Malignant neoplasm of central portion, left female breast |
| C50.212 |
Malignant neoplasm of upper-inner quadrant, left female breast |
| C50.312 |
Malignant neoplasm of lower-inner quadrant, left female breast |
| C50.412 |
Malignant neoplasm of upper-outer quadrant, left female breast |
| C50.512 |
Malignant neoplasm of lower-outer quadrant, left female breast |
| C50.612 |
Malignant neoplasm of axillary tail, left female breast |
| C50.812 |
Malignant neoplasm of overlapping sites, left female breast |
| C50.912 |
Malignant neoplasm of unspecified site, left female breast |
| D05.02 |
Lobular carcinoma in situ, left breast |
| D05.12 |
Intraductal carcinoma in situ, left breast |
| D05.82 |
Other specified type of carcinoma in situ, left breast |
| MALE |
| Right |
| C50.021 |
Malignant neoplasm of nipple and areola, right male breast |
| C50.121 |
Malignant neoplasm of central portion, right male breast |
| C50.221 |
Malignant neoplasm of upper-inner quadrant, right male breast |
| C50.321 |
Malignant neoplasm of lower-inner quadrant, right male breast |
| C50.421 |
Malignant neoplasm of upper-outer quadrant, right male breast |
| C50.521 |
Malignant neoplasm of lower-outer quadrant, right male breast |
| C50.621 |
Malignant neoplasm of axillary tail, right male breast |
| C50.821 |
Malignant neoplasm of overlapping sites, right male breast |
| C50.921 |
Malignant neoplasm of unspecified site, right male breast |
| D05.01 |
Lobular carcinoma in situ, right breast |
| D05.11 |
Intraductal carcinoma in situ, right breast |
| D05.81 |
Other specified type of carcinoma in situ, right breast |
| Left |
| C50.022 |
Malignant neoplasm of nipple and areola, left male breast |
| C50.122 |
Malignant neoplasm of central portion, left male breast |
| C50.222 |
Malignant neoplasm of upper-inner quadrant, left male breast |
| C50.322 |
Malignant neoplasm of lower-inner quadrant, left male breast |
| C50.422 |
Malignant neoplasm of upper-outer quadrant, left male breast |
| C50.522 |
Malignant neoplasm of lower-outer quadrant, left male breast |
| C50.622 |
Malignant neoplasm of axillary tail, left male breast |
| C50.822 |
Malignant neoplasm of overlapping sites, left male breast |
| C50.922 |
Malignant neoplasm of unspecified site, left male breast |
| D05.02 |
Lobular carcinoma in situ, left breast |
| D05.12 |
Intraductal carcinoma in situ, left breast |
| D05.82 |
Other specified type of carcinoma in situ, left breast |
| PERSONAL OR FAMILY HISTORY* |
| Z85.3 |
Personal history of malignant neoplasm of breast |
| Z80.3 |
Family history of malignant neoplasm of breast |
*Note that “Z” codes should be used only for a past history of a condition.
This is not a comprehensive list of ICD-10 codes, but these codes are more commonly used for each cancer site. There are more specific codes available. Please visit cms.gov/medicare-coverage-database/staticpages/icd-10-code-lookup.aspx for a complete list of codes.