C50
C50: Malignant neoplasm of breast
Non-billable headerICD-10-CM
C50 is a non-billable header ICD-10-CM code for malignant neoplasm of breast. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Use additional code
Add a secondary code to capture the detail described below.
- code to identify estrogen, and other hormones and factors receptor status (Z17.-)
Includes
Conditions this code covers.
- connective tissue of breast
- Paget's disease of breast
- Paget's disease of nipple
Other codes that can never be billed with C50
Their own Excludes1 notes name this code, so the conflict is not listed above.
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 C50
10 child codes. Green means billable.
- C50.0Malignant neoplasm of nipple and areola
- C50.1Malignant neoplasm of central portion of breast
- C50.2Malignant neoplasm of upper-inner quadrant of breast
- C50.3Malignant neoplasm of lower-inner quadrant of breast
- C50.4Malignant neoplasm of upper-outer quadrant of breast
- C50.5Malignant neoplasm of lower-outer quadrant of breast
- C50.6Malignant neoplasm of axillary tail of breast
- C50.8Malignant neoplasm of overlapping sites of breast
- C50.9Malignant neoplasm of breast of unspecified site
- C50.AMalignant inflammatory neoplasm of breast