ICD10Check
CheckerBrowseOpen

C50.21

⚠ Non-billable (Header)

Malignant neoplasm of upper-inner quadrant of breast, female

Neoplasms (C00-D49)

⚠️ This is a category header code — not billable. Use a more specific child code below.

Check This Code
✅ No additional coding notes for C50.21

Child Codes (3)

C50.211Malignant neoplasm of upper-inner quadrant of right female breastC50.212Malignant neoplasm of upper-inner quadrant of left female breastC50.219Malignant neoplasm of upper-inner quadrant of unspecified female breast

🧪 Validate Combinations

Add C50.21 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeC50.21
BillableNo — Header code
ParentC50.2
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)