Unspecified lump in breast (N63)

Browse all the diagnosis codes used for unspecified lump in breast (n63). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Instructional Notations

Inclusion Terms

These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

  • Nodule(s) NOS in breast
  • Diseases of the genitourinary system (N00–N99)

    • Disorders of breast (N60-N65)

        • Unspecified lump in breast (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
        • N63.21 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
        • 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
        • N63.42 Unspecified lump in left breast, subareolar