- Codes Description
- N63.20
Unspecified lump in the left breast, unspecified quadrant
- N63.21
Unspecified lump in the left breast, upper outer quadrant
- N63.22
Unspecified lump in the left breast, upper inner quadrant
- N63.23
Unspecified lump in the left breast, lower outer quadrant
- N63.24
Unspecified lump in the left breast, lower inner quadrant
- N63.25
Unspecified lump in the left breast, overlapping quadrants