2021

  1. ICD-10-CM Codes
    2. ›
  2. C00-D49 Neoplasms
    3. ›
  3. C50-C50 Malignant neoplasms of breast
    4. ›
  4. C50- Malignant neoplasm of breast
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code C50.52

2021 ICD-10-CM Diagnosis Code C50.52

Malignant neoplasm of lower-outer quadrant of breast, male

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • C50.52 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM C50.52 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of C50.52 - other international versions of ICD-10 C50.52 may differ.
The following code(s) above C50.52 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to C50.52:
  • C00-D49
    2021 ICD-10-CM Range C00-D49

    Neoplasms

    Note
    • Functional activity
    • All neoplasms are classified in this chapter, whether they are functionally active or not. An additional code from Chapter 4 may be used, to identify functional activity associated with any neoplasm.
    • Morphology [Histology]
    • Chapter 2 classifies neoplasms primarily by site (topography), with broad groupings for behavior, malignant, in situ, benign, etc. The Table of Neoplasms should be used to identify the correct topography code. In a few cases, such as for malignant melanoma and certain neuroendocrine tumors, the morphology (histologic type) is included in the category and codes.
    • Primary malignant neoplasms overlapping site boundaries
    • A primary malignant neoplasm that overlaps two or more contiguous (next to each other) sites should be classified to the subcategory/code .8 ('overlapping lesion'), unless the combination is specifically indexed elsewhere. For multiple neoplasms of the same site that are not contiguous, such as tumors in different quadrants of the same breast, codes for each site should be assigned.
    • Malignant neoplasm of ectopic tissue
    • Malignant neoplasms of ectopic tissue are to be coded to the site mentioned, e.g., ectopic pancreatic malignant neoplasms are coded to pancreas, unspecified (C25.9).
    Neoplasms
  • C50
    ICD-10-CM Diagnosis Code C50

    Malignant neoplasm of breast

      2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
    Includes
    • connective tissue of breast
    • Paget's disease of breast
    • Paget's disease of nipple
    Type 1 Excludes
    Use Additional
    • code to identify estrogen receptor status (Z17.0, Z17.1)
    Malignant neoplasm of breast
Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
ICD-10-CM Codes Adjacent To C50.52
C50.419 Malignant neoplasm of upper-outer quadrant of unspecified female breast
C50.42 Malignant neoplasm of upper-outer quadrant of breast, male
C50.421 Malignant neoplasm of upper-outer quadrant of right male breast
C50.422 Malignant neoplasm of upper-outer quadrant of left male breast
C50.429 Malignant neoplasm of upper-outer quadrant of unspecified male breast
C50.5 Malignant neoplasm of lower-outer quadrant of breast
C50.51 Malignant neoplasm of lower-outer quadrant of breast, female
C50.511 Malignant neoplasm of lower-outer quadrant of right female breast
C50.512 Malignant neoplasm of lower-outer quadrant of left female breast
C50.519 Malignant neoplasm of lower-outer quadrant of unspecified female breast
C50.52 Malignant neoplasm of lower-outer quadrant of breast, male
C50.521 Malignant neoplasm of lower-outer quadrant of right male breast
C50.522 Malignant neoplasm of lower-outer quadrant of left male breast
C50.529 Malignant neoplasm of lower-outer quadrant of unspecified male breast
C50.6 Malignant neoplasm of axillary tail of breast
C50.61 Malignant neoplasm of axillary tail of breast, female
C50.611 Malignant neoplasm of axillary tail of right female breast
C50.612 Malignant neoplasm of axillary tail of left female breast
C50.619 Malignant neoplasm of axillary tail of unspecified female breast
C50.62 Malignant neoplasm of axillary tail of breast, male
C50.621 Malignant neoplasm of axillary tail of right male breast

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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