C50.91
⚠ Non-billable (Header)Malignant neoplasm of breast of unspecified site, female
Neoplasms (C00-D49)
⚠️ This is a category header code — not billable. Use a more specific child code below.
✅ No additional coding notes for C50.91
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CodeC50.91
BillableNo — Header code
ParentC50.9
CategoryNeoplasms (C00-D49)
Excludes10 rule(s)
Excludes20 note(s)
Child codes3
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)