N63.21 Unspecified lump in the left breast, upper outer quadrant
Billable / valid for submission ICD10CM Release FY2026
Version history
| Release | Valid from | Valid to | Description | Billable |
|---|---|---|---|---|
| FY2026 | 2025-10-01 | current | Unspecified lump in the left breast, upper outer quadrant | yes |
Related codes in N63
- N63 Unspecified lump in breast
- N63.0 Unspecified lump in unspecified breast
- N63.1 Unspecified lump in the right breast
- N63.10 Unspecified lump in the right breast, unspecified quadrant
- N63.11 Unspecified lump in the right breast, upper outer quadrant
- N63.12 Unspecified lump in the right breast, upper inner quadrant
- N63.13 Unspecified lump in the right breast, lower outer quadrant
- N63.14 Unspecified lump in the right breast, lower inner quadrant
- N63.15 Unspecified lump in the right breast, overlapping quadrants
- N63.2 Unspecified lump in the left breast
- N63.20 Unspecified lump in the left breast, unspecified 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
- N63.3 Unspecified lump in axillary tail
- N63.31 Unspecified lump in axillary tail of the right breast
- N63.32 Unspecified lump in axillary tail of the left breast
- N63.4 Unspecified lump in breast, subareolar
- N63.41 Unspecified lump in right breast, subareolar