ICD-10-CM Section · C50-C50
Malignant neoplasms of breast
86 codes in this section
86
Total Codes
57
Billable
29
Header (Non-Billable)
1
Top-Level Codes
About Section C50
Section C50 (C50-C50) covers malignant neoplasms of breast. It sits within the Neoplasms chapter (C00-D49). This section contains 86 ICD-10-CM codes, 57 billable diagnoses you can submit on a claim, and 29 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in C50
Grouped by 3-character root code. Click any code for full detail.
C50
Malignant neoplasm of breast
85 subcodes
| C50.0 | Malignant neoplasm of nipple and areola | Header |
| C50.01 | Malignant neoplasm of nipple and areola, female | Header |
| C50.011 | Malignant neoplasm of nipple and areola, right female breast | Billable |
| C50.012 | Malignant neoplasm of nipple and areola, left female breast | Billable |
| C50.019 | Malignant neoplasm of nipple and areola, unspecified female breast | Billable |
| C50.02 | Malignant neoplasm of nipple and areola, male | Header |
| C50.021 | Malignant neoplasm of nipple and areola, right male breast | Billable |
| C50.022 | Malignant neoplasm of nipple and areola, left male breast | Billable |
| C50.029 | Malignant neoplasm of nipple and areola, unspecified male breast | Billable |
| C50.1 | Malignant neoplasm of central portion of breast | Header |
| C50.11 | Malignant neoplasm of central portion of breast, female | Header |
| C50.111 | Malignant neoplasm of central portion of right female breast | Billable |
| C50.112 | Malignant neoplasm of central portion of left female breast | Billable |
| C50.119 | Malignant neoplasm of central portion of unspecified female breast | Billable |
| C50.12 | Malignant neoplasm of central portion of breast, male | Header |
| C50.121 | Malignant neoplasm of central portion of right male breast | Billable |
| C50.122 | Malignant neoplasm of central portion of left male breast | Billable |
| C50.129 | Malignant neoplasm of central portion of unspecified male breast | Billable |
| C50.2 | Malignant neoplasm of upper-inner quadrant of breast | Header |
| C50.21 | Malignant neoplasm of upper-inner quadrant of breast, female | Header |
| C50.211 | Malignant neoplasm of upper-inner quadrant of right female breast | Billable |
| C50.212 | Malignant neoplasm of upper-inner quadrant of left female breast | Billable |
| C50.219 | Malignant neoplasm of upper-inner quadrant of unspecified female breast | Billable |
| C50.22 | Malignant neoplasm of upper-inner quadrant of breast, male | Header |
| C50.221 | Malignant neoplasm of upper-inner quadrant of right male breast | Billable |
| C50.222 | Malignant neoplasm of upper-inner quadrant of left male breast | Billable |
| C50.229 | Malignant neoplasm of upper-inner quadrant of unspecified male breast | Billable |
| C50.3 | Malignant neoplasm of lower-inner quadrant of breast | Header |
| C50.31 | Malignant neoplasm of lower-inner quadrant of breast, female | Header |
| C50.311 | Malignant neoplasm of lower-inner quadrant of right female breast | Billable |
| C50.312 | Malignant neoplasm of lower-inner quadrant of left female breast | Billable |
| C50.319 | Malignant neoplasm of lower-inner quadrant of unspecified female breast | Billable |
| C50.32 | Malignant neoplasm of lower-inner quadrant of breast, male | Header |
| C50.321 | Malignant neoplasm of lower-inner quadrant of right male breast | Billable |
| C50.322 | Malignant neoplasm of lower-inner quadrant of left male breast | Billable |
| C50.329 | Malignant neoplasm of lower-inner quadrant of unspecified male breast | Billable |
| C50.4 | Malignant neoplasm of upper-outer quadrant of breast | Header |
| C50.41 | Malignant neoplasm of upper-outer quadrant of breast, female | Header |
| C50.411 | Malignant neoplasm of upper-outer quadrant of right female breast | Billable |
| C50.412 | Malignant neoplasm of upper-outer quadrant of left female breast | Billable |
| C50.419 | Malignant neoplasm of upper-outer quadrant of unspecified female breast | Billable |
| C50.42 | Malignant neoplasm of upper-outer quadrant of breast, male | Header |
| C50.421 | Malignant neoplasm of upper-outer quadrant of right male breast | Billable |
| C50.422 | Malignant neoplasm of upper-outer quadrant of left male breast | Billable |
| C50.429 | Malignant neoplasm of upper-outer quadrant of unspecified male breast | Billable |
| C50.5 | Malignant neoplasm of lower-outer quadrant of breast | Header |
| C50.51 | Malignant neoplasm of lower-outer quadrant of breast, female | Header |
| C50.511 | Malignant neoplasm of lower-outer quadrant of right female breast | Billable |
| C50.512 | Malignant neoplasm of lower-outer quadrant of left female breast | Billable |
| C50.519 | Malignant neoplasm of lower-outer quadrant of unspecified female breast | Billable |
| C50.52 | Malignant neoplasm of lower-outer quadrant of breast, male | Header |
| C50.521 | Malignant neoplasm of lower-outer quadrant of right male breast | Billable |
| C50.522 | Malignant neoplasm of lower-outer quadrant of left male breast | Billable |
| C50.529 | Malignant neoplasm of lower-outer quadrant of unspecified male breast | Billable |
| C50.6 | Malignant neoplasm of axillary tail of breast | Header |
| C50.61 | Malignant neoplasm of axillary tail of breast, female | Header |
| C50.611 | Malignant neoplasm of axillary tail of right female breast | Billable |
| C50.612 | Malignant neoplasm of axillary tail of left female breast | Billable |
| C50.619 | Malignant neoplasm of axillary tail of unspecified female breast | Billable |
| C50.62 | Malignant neoplasm of axillary tail of breast, male | Header |
| C50.621 | Malignant neoplasm of axillary tail of right male breast | Billable |
| C50.622 | Malignant neoplasm of axillary tail of left male breast | Billable |
| C50.629 | Malignant neoplasm of axillary tail of unspecified male breast | Billable |
| C50.8 | Malignant neoplasm of overlapping sites of breast | Header |
| C50.81 | Malignant neoplasm of overlapping sites of breast, female | Header |
| C50.811 | Malignant neoplasm of overlapping sites of right female breast | Billable |
| C50.812 | Malignant neoplasm of overlapping sites of left female breast | Billable |
| C50.819 | Malignant neoplasm of overlapping sites of unspecified female breast | Billable |
| C50.82 | Malignant neoplasm of overlapping sites of breast, male | Header |
| C50.821 | Malignant neoplasm of overlapping sites of right male breast | Billable |
| C50.822 | Malignant neoplasm of overlapping sites of left male breast | Billable |
| C50.829 | Malignant neoplasm of overlapping sites of unspecified male breast | Billable |
| C50.9 | Malignant neoplasm of breast of unspecified site | Header |
| C50.91 | Malignant neoplasm of breast of unspecified site, female | Header |
| C50.911 | Malignant neoplasm of unspecified site of right female breast | Billable |
| C50.912 | Malignant neoplasm of unspecified site of left female breast | Billable |
| C50.919 | Malignant neoplasm of unspecified site of unspecified female breast | Billable |
| C50.92 | Malignant neoplasm of breast of unspecified site, male | Header |
| C50.921 | Malignant neoplasm of unspecified site of right male breast | Billable |
| C50.922 | Malignant neoplasm of unspecified site of left male breast | Billable |
| C50.929 | Malignant neoplasm of unspecified site of unspecified male breast | Billable |
| C50.A | Malignant inflammatory neoplasm of breast | Header |
| C50.A0 | Malignant inflammatory neoplasm of unspecified breast | Billable |
| C50.A1 | Malignant inflammatory neoplasm of right breast | Billable |
| C50.A2 | Malignant inflammatory neoplasm of left breast | Billable |
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on May 31, 2026.
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