C50.119
BillableMalignant neoplasm of central portion of unspecified female breast
HCC Category Mapping
V28HCC 23 — Melanoma and Other Skin Cancers
0.251V24HCC 12 — Breast, Prostate, and Other Cancers and Tumors
0.150ESRDHCC 12 — Breast, Prostate, and Other Cancers and Tumors
0.000RxHCCHCC 22 — Cancer, Other Specified Sites
0.000What This Code Means
Cancer in the central portion of a female breast where the specific side (left or right) is not identified.
Coding Tips
- •This unspecified code should only be used when laterality cannot be determined from documentation
- •Query the provider if possible to determine whether the cancer is in the right or left breast for more specific coding
Clinical Significance
Malignant neoplasm of the central portion of unspecified female breast represents invasive breast cancer requiring staging, treatment planning, and ongoing surveillance. Breast cancer is risk-adjusted because it demands significant healthcare resources including surgery, radiation, chemotherapy, hormonal therapy, and long-term monitoring. The unspecified laterality indicates documentation does not identify the affected side, which should trigger a provider query.
Documentation Requirements
- ✓Pathologic confirmation of invasive malignancy (biopsy with histologic type — ductal, lobular, etc.)
- ✓Laterality must be queried if not documented — right or left breast
- ✓Gender documented as female to support gender-specific code selection
- ✓Quadrant or subsite location: central portion
- ✓Tumor size (T stage) and grade
- ✓Lymph node status (N stage) — axillary, sentinel node biopsy results
- ✓Estrogen receptor, progesterone receptor, and HER2 status
- ✓Stage grouping (I-IV)
- ✓Current treatment status (active treatment, hormonal therapy, surveillance)
Commonly Confused Codes
C50.111 — Right female breast central portion; preferred when right documentedC50.112 — Left female breast central portion; preferred when left documentedC50.129 — Same laterality but male breast; verify patient genderC50.011-C50.019 — Nipple and areola of female breast; central portion is the subareolar region behind the nipple, distinct from the nipple-areolar complex itselfC50.211-C50.219 — Upper-inner quadrant of female breast; adjacent but distinct locationD05.1x — Carcinoma in situ of breast, central portion; in situ vs. invasive distinction
Code Hierarchy
└C50Malignant neoplasm of breast└C50.1Malignant neoplasm of central portion of breast└C50.11Malignant neoplasm of central portion of breast, female└C50.119Malignant neoplasm of central portion of unspecified female breast
└C50.119Malignant neoplasm of central portion of unspecified female breast