Excludes1

  • disorders of breast associated with childbirth (O91-O92)
  1. N63 Unspecified lump in breast

    1. N63.0 Unspecified lump in unspecified breast

    2. N63.1 Unspecified lump in the right breast

      1. N63.10 Unspecified lump in the right breast, unspecified quadrant

      2. N63.11 Unspecified lump in the right breast, upper outer quadrant

      3. N63.12 Unspecified lump in the right breast, upper inner quadrant

      4. N63.13 Unspecified lump in the right breast, lower outer quadrant

      5. N63.14 Unspecified lump in the right breast, lower inner quadrant

    3. N63.2 Unspecified lump in the left breast

      1. N63.20 Unspecified lump in the left breast, unspecified quadrant

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

      3. N63.22 Unspecified lump in the left breast, upper inner quadrant

      4. N63.23 Unspecified lump in the left breast, lower outer quadrant

      5. N63.24 Unspecified lump in the left breast, lower inner quadrant

    4. N63.3 Unspecified lump in axillary tail

      1. N63.31 Unspecified lump in axillary tail of the right breast

      2. N63.32 Unspecified lump in axillary tail of the left breast

    5. N63.4 Unspecified lump in breast, subareolar

      1. N63.41 Unspecified lump in right breast, subareolar

      2. N63.42 Unspecified lump in left breast, subareolar

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.