C50Malignant neoplasm of breast
ICD-10-CM category (non-billable header) code — part of Malignant neoplasms of breast (C50)
Coding Notes
Includes
- connective tissue of breast
- Paget's disease of breast
- Paget's disease of nipple
Excludes1 (never code both together)
- skin of breast (C44.501, C44.511, C44.521, C44.591)
Use Additional Code
- code to identify estrogen, and other hormones and factors receptor status (Z17.-)
Subcategories (10)
- C50.0 Malignant neoplasm of nipple and areola
- C50.1 Malignant neoplasm of central portion of breast
- C50.2 Malignant neoplasm of upper-inner quadrant of breast
- C50.3 Malignant neoplasm of lower-inner quadrant of breast
- C50.4 Malignant neoplasm of upper-outer quadrant of breast
- C50.5 Malignant neoplasm of lower-outer quadrant of breast
- C50.6 Malignant neoplasm of axillary tail of breast
- C50.8 Malignant neoplasm of overlapping sites of breast
- C50.9 Malignant neoplasm of breast of unspecified site
- C50.A Malignant inflammatory neoplasm of breast