ICD-10-CM category
C50: Malignant neoplasm of breast
Codes under C50 (Malignant neoplasm of breast). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| C50.0 | Malignant neoplasm of nipple and areola | — |
| C50.0 | Malignant neoplasm of nipple and areola | — |
| C50.01 | Malignant neoplasm of nipple and areola, female | — |
| C50.01 | Malignant neoplasm of nipple and areola, female | — |
| C50.1 | Malignant neoplasm of central portion of breast | — |
| C50.1 | Malignant neoplasm of central portion of breast | — |
| C50.02 | Malignant neoplasm of nipple and areola, male | — |
| C50.02 | Malignant neoplasm of nipple and areola, male | — |
| C50.2 | Malignant neoplasm of upper-inner quadrant of breast | — |
| C50.2 | Malignant neoplasm of upper-inner quadrant of breast | — |
| C50.3 | Malignant neoplasm of lower-inner quadrant of breast | — |
| C50.3 | Malignant neoplasm of lower-inner quadrant of breast | — |
| C50.4 | Malignant neoplasm of upper-outer quadrant of breast | — |
| C50.4 | Malignant neoplasm of upper-outer quadrant of breast | — |
| C50.5 | Malignant neoplasm of lower-outer quadrant of breast | — |
| C50.5 | Malignant neoplasm of lower-outer quadrant of breast | — |
| C50.6 | Malignant neoplasm of axillary tail of breast | — |
| C50.6 | Malignant neoplasm of axillary tail of breast | — |
| C50.8 | Malignant neoplasm of overlapping sites of breast | — |
| C50.8 | Malignant neoplasm of overlapping sites of breast | — |
| C50.9 | Malignant neoplasm of breast of unspecified site | — |
| C50.9 | Malignant neoplasm of breast of unspecified site | — |
| C50.011 | Malignant neoplasm of nipple and areola, right female breast | ✓ |
| C50.011 | Malignant neoplasm of nipple and areola, right female breast | ✓ |
| C50.11 | Malignant neoplasm of central portion of breast, female | — |
| C50.11 | Malignant neoplasm of central portion of breast, female | — |
| C50.012 | Malignant neoplasm of nipple and areola, left female breast | ✓ |
| C50.012 | Malignant neoplasm of nipple and areola, left female breast | ✓ |
| C50.12 | Malignant neoplasm of central portion of breast, male | — |
| C50.12 | Malignant neoplasm of central portion of breast, male | — |
| C50.019 | Malignant neoplasm of nipple and areola, unspecified female breast | ✓ |
| C50.019 | Malignant neoplasm of nipple and areola, unspecified female breast | ✓ |
| C50.021 | Malignant neoplasm of nipple and areola, right male breast | ✓ |
| C50.021 | Malignant neoplasm of nipple and areola, right male breast | ✓ |
| C50.21 | Malignant neoplasm of upper-inner quadrant of breast, female | — |
| C50.21 | Malignant neoplasm of upper-inner quadrant of breast, female | — |
| C50.022 | Malignant neoplasm of nipple and areola, left male breast | ✓ |
| C50.022 | Malignant neoplasm of nipple and areola, left male breast | ✓ |
| C50.22 | Malignant neoplasm of upper-inner quadrant of breast, male | — |
| C50.22 | Malignant neoplasm of upper-inner quadrant of breast, male | — |
| C50.029 | Malignant neoplasm of nipple and areola, unspecified male breast | ✓ |
| C50.029 | Malignant neoplasm of nipple and areola, unspecified male breast | ✓ |
| C50.31 | Malignant neoplasm of lower-inner quadrant of breast, female | — |
| C50.31 | Malignant neoplasm of lower-inner quadrant of breast, female | — |
| C50.32 | Malignant neoplasm of lower-inner quadrant of breast, male | — |
| C50.32 | Malignant neoplasm of lower-inner quadrant of breast, male | — |
| C50.41 | Malignant neoplasm of upper-outer quadrant of breast, female | — |
| C50.41 | Malignant neoplasm of upper-outer quadrant of breast, female | — |
| C50.42 | Malignant neoplasm of upper-outer quadrant of breast, male | — |
| C50.42 | Malignant neoplasm of upper-outer quadrant of breast, male | — |
| C50.51 | Malignant neoplasm of lower-outer quadrant of breast, female | — |
| C50.51 | Malignant neoplasm of lower-outer quadrant of breast, female | — |
| C50.52 | Malignant neoplasm of lower-outer quadrant of breast, male | — |
| C50.52 | Malignant neoplasm of lower-outer quadrant of breast, male | — |
| C50.61 | Malignant neoplasm of axillary tail of breast, female | — |
| C50.61 | Malignant neoplasm of axillary tail of breast, female | — |
| C50.62 | Malignant neoplasm of axillary tail of breast, male | — |
| C50.62 | Malignant neoplasm of axillary tail of breast, male | — |
| C50.81 | Malignant neoplasm of overlapping sites of breast, female | — |
| C50.81 | Malignant neoplasm of overlapping sites of breast, female | — |
| C50.82 | Malignant neoplasm of overlapping sites of breast, male | — |
| C50.82 | Malignant neoplasm of overlapping sites of breast, male | — |
| C50.91 | Malignant neoplasm of breast of unspecified site, female | — |
| C50.91 | Malignant neoplasm of breast of unspecified site, female | — |
| C50.92 | Malignant neoplasm of breast of unspecified site, male | — |
| C50.92 | Malignant neoplasm of breast of unspecified site, male | — |
| C50.111 | Malignant neoplasm of central portion of right female breast | ✓ |
| C50.111 | Malignant neoplasm of central portion of right female breast | ✓ |
| C50.112 | Malignant neoplasm of central portion of left female breast | ✓ |
| C50.112 | Malignant neoplasm of central portion of left female breast | ✓ |
| C50.119 | Malignant neoplasm of central portion of unspecified female breast | ✓ |
| C50.119 | Malignant neoplasm of central portion of unspecified female breast | ✓ |
| C50.121 | Malignant neoplasm of central portion of right male breast | ✓ |
| C50.121 | Malignant neoplasm of central portion of right male breast | ✓ |
| C50.122 | Malignant neoplasm of central portion of left male breast | ✓ |
| C50.122 | Malignant neoplasm of central portion of left male breast | ✓ |
| C50.129 | Malignant neoplasm of central portion of unspecified male breast | ✓ |
| C50.129 | Malignant neoplasm of central portion of unspecified male breast | ✓ |
| C50.211 | Malignant neoplasm of upper-inner quadrant of right female breast | ✓ |
| C50.211 | Malignant neoplasm of upper-inner quadrant of right female breast | ✓ |
| C50.212 | Malignant neoplasm of upper-inner quadrant of left female breast | ✓ |
| C50.212 | Malignant neoplasm of upper-inner quadrant of left female breast | ✓ |
| C50.219 | Malignant neoplasm of upper-inner quadrant of unspecified female breast | ✓ |
| C50.219 | Malignant neoplasm of upper-inner quadrant of unspecified female breast | ✓ |
| C50.221 | Malignant neoplasm of upper-inner quadrant of right male breast | ✓ |
| C50.221 | Malignant neoplasm of upper-inner quadrant of right male breast | ✓ |
| C50.222 | Malignant neoplasm of upper-inner quadrant of left male breast | ✓ |
| C50.222 | Malignant neoplasm of upper-inner quadrant of left male breast | ✓ |
| C50.229 | Malignant neoplasm of upper-inner quadrant of unspecified male breast | ✓ |
| C50.229 | Malignant neoplasm of upper-inner quadrant of unspecified male breast | ✓ |
| C50.311 | Malignant neoplasm of lower-inner quadrant of right female breast | ✓ |
| C50.311 | Malignant neoplasm of lower-inner quadrant of right female breast | ✓ |
| C50.312 | Malignant neoplasm of lower-inner quadrant of left female breast | ✓ |
| C50.312 | Malignant neoplasm of lower-inner quadrant of left female breast | ✓ |
| C50.319 | Malignant neoplasm of lower-inner quadrant of unspecified female breast | ✓ |
| C50.319 | Malignant neoplasm of lower-inner quadrant of unspecified female breast | ✓ |
| C50.321 | Malignant neoplasm of lower-inner quadrant of right male breast | ✓ |
| C50.321 | Malignant neoplasm of lower-inner quadrant of right male breast | ✓ |
| C50.322 | Malignant neoplasm of lower-inner quadrant of left male breast | ✓ |
| C50.322 | Malignant neoplasm of lower-inner quadrant of left male breast | ✓ |
| C50.329 | Malignant neoplasm of lower-inner quadrant of unspecified male breast | ✓ |
| C50.329 | Malignant neoplasm of lower-inner quadrant of unspecified male breast | ✓ |
| C50.411 | Malignant neoplasm of upper-outer quadrant of right female breast | ✓ |
| C50.411 | Malignant neoplasm of upper-outer quadrant of right female breast | ✓ |
| C50.412 | Malignant neoplasm of upper-outer quadrant of left female breast | ✓ |
| C50.412 | Malignant neoplasm of upper-outer quadrant of left female breast | ✓ |
| C50.419 | Malignant neoplasm of upper-outer quadrant of unspecified female breast | ✓ |
| C50.419 | Malignant neoplasm of upper-outer quadrant of unspecified female breast | ✓ |
| C50.421 | Malignant neoplasm of upper-outer quadrant of right male breast | ✓ |
| C50.421 | Malignant neoplasm of upper-outer quadrant of right male breast | ✓ |
| C50.422 | Malignant neoplasm of upper-outer quadrant of left male breast | ✓ |
| C50.422 | Malignant neoplasm of upper-outer quadrant of left male breast | ✓ |
| C50.429 | Malignant neoplasm of upper-outer quadrant of unspecified male breast | ✓ |
| C50.429 | Malignant neoplasm of upper-outer quadrant of unspecified male breast | ✓ |
| C50.511 | Malignant neoplasm of lower-outer quadrant of right female breast | ✓ |
| C50.511 | Malignant neoplasm of lower-outer quadrant of right female breast | ✓ |
| C50.512 | Malignant neoplasm of lower-outer quadrant of left female breast | ✓ |
| C50.512 | Malignant neoplasm of lower-outer quadrant of left female breast | ✓ |
| C50.519 | Malignant neoplasm of lower-outer quadrant of unspecified female breast | ✓ |
| C50.519 | Malignant neoplasm of lower-outer quadrant of unspecified female breast | ✓ |
| C50.521 | Malignant neoplasm of lower-outer quadrant of right male breast | ✓ |
| C50.521 | Malignant neoplasm of lower-outer quadrant of right male breast | ✓ |
| C50.522 | Malignant neoplasm of lower-outer quadrant of left male breast | ✓ |
| C50.522 | Malignant neoplasm of lower-outer quadrant of left male breast | ✓ |
| C50.529 | Malignant neoplasm of lower-outer quadrant of unspecified male breast | ✓ |
| C50.529 | Malignant neoplasm of lower-outer quadrant of unspecified male breast | ✓ |
| C50.611 | Malignant neoplasm of axillary tail of right female breast | ✓ |
| C50.611 | Malignant neoplasm of axillary tail of right female breast | ✓ |
| C50.612 | Malignant neoplasm of axillary tail of left female breast | ✓ |
| C50.612 | Malignant neoplasm of axillary tail of left female breast | ✓ |
| C50.619 | Malignant neoplasm of axillary tail of unspecified female breast | ✓ |
| C50.619 | Malignant neoplasm of axillary tail of unspecified female breast | ✓ |
| C50.621 | Malignant neoplasm of axillary tail of right male breast | ✓ |
| C50.621 | Malignant neoplasm of axillary tail of right male breast | ✓ |
| C50.622 | Malignant neoplasm of axillary tail of left male breast | ✓ |
| C50.622 | Malignant neoplasm of axillary tail of left male breast | ✓ |
| C50.629 | Malignant neoplasm of axillary tail of unspecified male breast | ✓ |
| C50.629 | Malignant neoplasm of axillary tail of unspecified male breast | ✓ |
| C50.811 | Malignant neoplasm of overlapping sites of right female breast | ✓ |
| C50.811 | Malignant neoplasm of overlapping sites of right female breast | ✓ |
| C50.812 | Malignant neoplasm of overlapping sites of left female breast | ✓ |
| C50.812 | Malignant neoplasm of overlapping sites of left female breast | ✓ |
| C50.819 | Malignant neoplasm of overlapping sites of unspecified female breast | ✓ |
| C50.819 | Malignant neoplasm of overlapping sites of unspecified female breast | ✓ |
| C50.821 | Malignant neoplasm of overlapping sites of right male breast | ✓ |
| C50.821 | Malignant neoplasm of overlapping sites of right male breast | ✓ |
| C50.822 | Malignant neoplasm of overlapping sites of left male breast | ✓ |
| C50.822 | Malignant neoplasm of overlapping sites of left male breast | ✓ |
| C50.829 | Malignant neoplasm of overlapping sites of unspecified male breast | ✓ |
| C50.829 | Malignant neoplasm of overlapping sites of unspecified male breast | ✓ |
| C50.911 | Malignant neoplasm of unspecified site of right female breast | ✓ |
| C50.911 | Malignant neoplasm of unspecified site of right female breast | ✓ |
| C50.912 | Malignant neoplasm of unspecified site of left female breast | ✓ |
| C50.912 | Malignant neoplasm of unspecified site of left female breast | ✓ |
| C50.919 | Malignant neoplasm of unspecified site of unspecified female breast | ✓ |
| C50.919 | Malignant neoplasm of unspecified site of unspecified female breast | ✓ |
| C50.921 | Malignant neoplasm of unspecified site of right male breast | ✓ |
| C50.921 | Malignant neoplasm of unspecified site of right male breast | ✓ |
| C50.922 | Malignant neoplasm of unspecified site of left male breast | ✓ |
| C50.922 | Malignant neoplasm of unspecified site of left male breast | ✓ |
| C50.929 | Malignant neoplasm of unspecified site of unspecified male breast | ✓ |
| C50.929 | Malignant neoplasm of unspecified site of unspecified male breast | ✓ |
| C50.A | Malignant inflammatory neoplasm of breast | — |
| C50.A | Malignant inflammatory neoplasm of breast | — |
| C50.A0 | Malignant inflammatory neoplasm of unspecified breast | ✓ |
| C50.A0 | Malignant inflammatory neoplasm of unspecified breast | ✓ |
| C50.A1 | Malignant inflammatory neoplasm of right breast | ✓ |
| C50.A1 | Malignant inflammatory neoplasm of right breast | ✓ |
| C50.A2 | Malignant inflammatory neoplasm of left breast | ✓ |
| C50.A2 | Malignant inflammatory neoplasm of left breast | ✓ |
Frequently asked questions
What is ICD-10-CM code C50?
C50 is an ICD-10-CM category covering Malignant neoplasm of breast. It contains 170 more specific diagnosis codes, 114 of which are billable.
Is C50 a billable code?
No — C50 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example C50.0 — Malignant neoplasm of nipple and areola). 114 of the 170 codes under C50 are billable.
What codes fall under C50?
C50 includes C50.0, C50.0, C50.01, C50.01, C50.1, plus 165 more. See the full list with descriptions and billable status above.
More free billing tools: all ICD-10 categories · ICD-10 search · denial codes · Medicare fees
Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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