C50.91
Non-billableMalignant neoplasm of breast of unspecified site, female
C50.91 is the ICD-10-CM code for Malignant neoplasm of breast of unspecified site, female. It is a non-billable category code — use a more specific child code such as C50.911 for billing.
C00-D49 Neoplasms
What this means — in plain language
MedlinePlus · NIHWhat is breast cancer? Breast cancer is a cancer that starts in breast tissue. It happens when cells in the breast change and grow out of control. New cells grow even when you don't need them, and old cells don't die when they should. These extra cells can form a mass called a tumor. Sometimes the cancer does not spread any further. This is called "in situ." If the cancer spreads outside the breast, the cancer is…
Read more about Breast Cancer at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Medications indicated for this condition
FDA labeling- TestosteroneAndrogen [EPC]›
- DenosumabRANK Ligand Inhibitor [EPC]›
- Doxorubicin›
- MethotrexateFolate Analog Metabolic Inhibitor [EPC]›
- PaclitaxelMicrotubule Inhibitor [EPC]›
- Gemcitabine›
- TrastuzumabHER2/neu Receptor Antagonist [EPC]›
- CapecitabineNucleoside Metabolic Inhibitor [EPC]›
- DocetaxelMicrotubule Inhibitor [EPC]›
- Eribulin›
- estrogens, conjugated (USP)Estrogen [EPC]›
- FulvestrantEstrogen Receptor Antagonist [EPC]›
Drugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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