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N63.3

⚠ Non-billable (Header)

Unspecified lump in axillary tail

Diseases of the genitourinary system (N00-N99)

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

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✅ No additional coding notes for N63.3

Child Codes (2)

N63.31Unspecified lump in axillary tail of the right breastN63.32Unspecified lump in axillary tail of the left breast

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Code Information

CodeN63.3
BillableNo — Header code
ParentN63
CategoryDiseases of the genitourinary system (N00-N99)
Excludes10 rule(s)
Excludes20 note(s)
Child codes2

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)