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3. Chapter - C00-D49
4. Section - C50
5. Category - C50
6. C50.91

C50.91 - Malignant neoplasm of breast of unspecified site, female

• Applicable to Malignant neoplasm of breast of unspecified site, female
• The 2025 edition of ICD10-CM C50.91 became effective on October 1, 2024.
• This is the American ICD10-CM version of C50.91 - other international versions of ICD10 C50.91 may differ.
• C50.91 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• C50.91 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.

The following codes above C50.91 contain annotation back-references that may be applicable to C50.91:

• Chapter: C00-D49 - Neoplasms
• Section: C50 - Malignant neoplasms of breast
• Category: C50 - Malignant neoplasm of breast

Browse other similar CM codes:

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