C50.81
⚠ Non-billable
Malignant neoplasm of overlapping sites of breast, female
ICD-10-CM · FY2026 · Neoplasms
Code
C50.81
System
ICD-10-CM
Billable
No — use specific code
Effective
FY2026
Chapter
Neoplasms
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code C50.81?
ICD-10-CM code C50.81 represents Malignant neoplasm of overlapping sites of breast, female. It is a non-billable header code requiring a more specific subcategory in the Neoplasms chapter, effective October 1, 2025 – September 30, 2026.
Is C50.81 billable?
No. C50.81 is a non-billable header. Select a more specific subcategory for claims submission.
What chapter is C50.81 in?
C50.81 belongs to the Neoplasms chapter (C00–D49) of ICD-10-CM.
Related codes in the C50 category
C50
Malignant neoplasm of breast
Non-billable
C50.0
Malignant neoplasm of nipple and areola
Non-billable
C50.1
Malignant neoplasm of central portion of breast
Non-billable
C50.2
Malignant neoplasm of upper-inner quadrant of breast
Non-billable
C50.3
Malignant neoplasm of lower-inner quadrant of breast
Non-billable
C50.4
Malignant neoplasm of upper-outer quadrant of breast
Non-billable
C50.5
Malignant neoplasm of lower-outer quadrant of breast
Non-billable
C50.6
Malignant neoplasm of axillary tail of breast
Non-billable
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