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C50.42

⚠ Non-billable (Header)

Malignant neoplasm of upper-outer quadrant of breast, male

Neoplasms (C00-D49)

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

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✅ No additional coding notes for C50.42

Child Codes (3)

C50.421Malignant neoplasm of upper-outer quadrant of right male breastC50.422Malignant neoplasm of upper-outer quadrant of left male breastC50.429Malignant neoplasm of upper-outer quadrant of unspecified male breast

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Code Information

CodeC50.42
BillableNo — Header code
ParentC50.4
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)