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ICD-10-CM Codes
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C00-D49
Neoplasms
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C50-C50
Malignant neoplasms of breast
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C50-
Malignant neoplasm of breast
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2022 ICD-10-CM Diagnosis Code C50.422
2022 ICD-10-CM Diagnosis Code C50.422
Malignant neoplasm of upper-outer quadrant of left male breast
2016 2017 2018 2019 2020 2021 2022 Billable/Specific Code Male Dx
- C50.422 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- Short description: Malig neoplasm of upper-outer quadrant of left male breast
- The 2022 edition of ICD-10-CM C50.422 became effective on October 1, 2021.
- This is the American ICD-10-CM version of C50.422 - other international versions of ICD-10 C50.422 may differ.
ICD-10-CM Coding Rules
- C50.422 is applicable to male patients.
The following code(s) above
C50.422 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
C50.422:
Approximate Synonyms
- Cancer, male breast, left upper-outer quadrant
- Primary malignant neoplasm of upper outer quadrant of left male breast
ICD-10-CM C50.422 is grouped within Diagnostic Related Group(s) (MS-DRG v39.0):
- 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 C50.422 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
ICD-10-CM Codes Adjacent To C50.422
C50.321 Malignant neoplasm of lower-inner quadrant of right male breast
C50.322 Malignant neoplasm of lower-inner quadrant of left male breast
C50.329 Malignant neoplasm of lower-inner quadrant of unspecified male breast
C50.4 Malignant neoplasm of upper-outer quadrant of breast
C50.41 Malignant neoplasm of upper-outer quadrant of breast, female
C50.411 Malignant neoplasm of upper-outer quadrant of right female breast
C50.412 Malignant neoplasm of upper-outer quadrant of left female breast
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
Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.