C50 — Malignant neoplasm of breast
Not billable
Is C50 billable?
No — C50 is a non-billable header code. C50 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 57 billable codes beneath C50.
Billable codes under this header
- C50.A0Malignant inflammatory neoplasm of unspecified breast
- C50.A1Malignant inflammatory neoplasm of right breast
- C50.A2Malignant inflammatory neoplasm of left breast
- C50.011Malignant neoplasm of nipple and areola, right female breast
- C50.012Malignant neoplasm of nipple and areola, left female breast
- C50.019Malignant neoplasm of nipple and areola, unspecified female breast
- C50.021Malignant neoplasm of nipple and areola, right male breast
- C50.022Malignant neoplasm of nipple and areola, left male breast
- C50.029Malignant neoplasm of nipple and areola, unspecified male breast
- C50.111Malignant neoplasm of central portion of right female breast
- C50.112Malignant neoplasm of central portion of left female breast
- C50.119Malignant neoplasm of central portion of unspecified female breast
- C50.121Malignant neoplasm of central portion of right male breast
- C50.122Malignant neoplasm of central portion of left male breast
- C50.129Malignant neoplasm of central portion of unspecified male breast
- C50.211Malignant neoplasm of upper-inner quadrant of right female breast
- C50.212Malignant neoplasm of upper-inner quadrant of left female breast
- C50.219Malignant neoplasm of upper-inner quadrant of unspecified female breast
- C50.221Malignant neoplasm of upper-inner quadrant of right male breast
- C50.222Malignant neoplasm of upper-inner quadrant of left male breast
- C50.229Malignant neoplasm of upper-inner quadrant of unspecified male breast
- C50.311Malignant neoplasm of lower-inner quadrant of right female breast
- C50.312Malignant neoplasm of lower-inner quadrant of left female breast
- C50.319Malignant neoplasm of lower-inner quadrant of unspecified female breast
- C50.321Malignant neoplasm of lower-inner quadrant of right male breast
- C50.322Malignant neoplasm of lower-inner quadrant of left male breast
- C50.329Malignant neoplasm of lower-inner quadrant of unspecified male breast
- C50.411Malignant neoplasm of upper-outer quadrant of right female breast
- C50.412Malignant neoplasm of upper-outer quadrant of left female breast
- C50.419Malignant neoplasm of upper-outer quadrant of unspecified female breast
- C50.421Malignant neoplasm of upper-outer quadrant of right male breast
- C50.422Malignant neoplasm of upper-outer quadrant of left male breast
- C50.429Malignant neoplasm of upper-outer quadrant of unspecified male breast
- C50.511Malignant neoplasm of lower-outer quadrant of right female breast
- C50.512Malignant neoplasm of lower-outer quadrant of left female breast
- C50.519Malignant neoplasm of lower-outer quadrant of unspecified female breast
- C50.521Malignant neoplasm of lower-outer quadrant of right male breast
- C50.522Malignant neoplasm of lower-outer quadrant of left male breast
- C50.529Malignant neoplasm of lower-outer quadrant of unspecified male breast
- C50.611Malignant neoplasm of axillary tail of right female breast
- C50.612Malignant neoplasm of axillary tail of left female breast
- C50.619Malignant neoplasm of axillary tail of unspecified female breast
- C50.621Malignant neoplasm of axillary tail of right male breast
- C50.622Malignant neoplasm of axillary tail of left male breast
- C50.629Malignant neoplasm of axillary tail of unspecified male breast
- C50.811Malignant neoplasm of overlapping sites of right female breast
- C50.812Malignant neoplasm of overlapping sites of left female breast
- C50.819Malignant neoplasm of overlapping sites of unspecified female breast
- C50.821Malignant neoplasm of overlapping sites of right male breast
- C50.822Malignant neoplasm of overlapping sites of left male breast
- C50.829Malignant neoplasm of overlapping sites of unspecified male breast
- C50.911Malignant neoplasm of unspecified site of right female breast
- C50.912Malignant neoplasm of unspecified site of left female breast
- C50.919Malignant neoplasm of unspecified site of unspecified female breast
- C50.921Malignant neoplasm of unspecified site of right male breast
- C50.922Malignant neoplasm of unspecified site of left male breast
- C50.929Malignant neoplasm of unspecified site of unspecified male breast
C50 at a glance
| Code | C50 |
|---|---|
| Description | Malignant neoplasm of breast |
| Billable | No — header code |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Excludes1 — never code together
The conditions below can never be reported together with C50 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Use additional code
Report an additional code alongside C50 to fully describe the condition. C50 is sequenced first.
- code to identify estrogen, and other hormones and factors receptor status (Z17.-)
Includes
Conditions classified to C50.
- connective tissue of breast
- Paget's disease of breast
- Paget's disease of nipple
What codes fall under C50? (10)
- C50.0Malignant neoplasm of nipple and areolanot billable
- C50.1Malignant neoplasm of central portion of breastnot billable
- C50.2Malignant neoplasm of upper-inner quadrant of breastnot billable
- C50.3Malignant neoplasm of lower-inner quadrant of breastnot billable
- C50.4Malignant neoplasm of upper-outer quadrant of breastnot billable
- C50.5Malignant neoplasm of lower-outer quadrant of breastnot billable
- C50.6Malignant neoplasm of axillary tail of breastnot billable
- C50.8Malignant neoplasm of overlapping sites of breastnot billable
- C50.9Malignant neoplasm of breast of unspecified sitenot billable
- C50.AMalignant inflammatory neoplasm of breastnot billable
How long has C50 existed?
C50 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.