2023

  1. ICD-10-CM Codes
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  2. C00-D49
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  3. C50-C50
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  4. C50-
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  5. 2023 ICD-10-CM Diagnosis Code C50.012

2023 ICD-10-CM Diagnosis Code C50.012

Malignant neoplasm of nipple and areola, left female breast

    2016 2017 2018 2019 2020 2021 2022 2023 Billable/Specific Code Female Dx
  • C50.012 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2023 edition of ICD-10-CM C50.012 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of C50.012 - other international versions of ICD-10 C50.012 may differ.
ICD-10-CM Coding Rules
  • C50.012 is applicable to female patients.
The following code(s) above C50.012 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 C50.012:
  • C00-D49
    2023 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 2022 2023 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
Approximate Synonyms
  • Paget disease, female bilateral nipples
  • Paget disease, female l nipple
  • Paget's disease of bilateral female nipples
  • Paget's disease of left female nipple
ICD-10-CM C50.012 is grouped within Diagnostic Related Group(s) (MS-DRG v40.0):
  • 582 Mastectomy for malignancy with cc/mcc
  • 583 Mastectomy for malignancy without cc/mcc
  • 597 Malignant breast disorders with mcc
  • 598 Malignant breast disorders with cc
  • 599 Malignant breast disorders without cc/mcc

Convert C50.012 to ICD-9-CM

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
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
ICD-10-CM Codes Adjacent To C50.012
C49.A1 …… of esophagus
C49.A2 …… of stomach
C49.A3 …… of small intestine
C49.A4 …… of large intestine
C49.A5 …… of rectum
C49.A9 …… of other sites
C50 Malignant neoplasm of breast
C50.0 Malignant neoplasm of nipple and areola
C50.01 Malignant neoplasm of nipple and areola, female
C50.011 Malignant neoplasm of nipple and areola, right female breast
C50.012 Malignant neoplasm of nipple and areola, left female breast
C50.019 Malignant neoplasm of nipple and areola, unspecified female breast
C50.02 Malignant neoplasm of nipple and areola, male
C50.021 Malignant neoplasm of nipple and areola, right male breast
C50.022 Malignant neoplasm of nipple and areola, left male breast
C50.029 Malignant neoplasm of nipple and areola, unspecified male breast
C50.1 Malignant neoplasm of central portion of breast
C50.11 Malignant neoplasm of central portion of breast, female
C50.111 Malignant neoplasm of central portion of right female breast
C50.112 Malignant neoplasm of central portion of left female breast
C50.119 Malignant neoplasm of central portion of unspecified female 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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