N63.21 Unspecified lump in the left breast, upper outer quadrant

The following code(s) above N63.21 may contain annotation back-references that may be applicable to N63.21:

• Diseases of the genitourinary system (N00-N99)
• Unspecified lump in the left breast (N63.2)

Diagnosis Index

Lump - see also Mass
- Breast N63.0
-- Left
--- Upper Outer Quadrant N63.21