C50.91

Non-billable

Malignant neoplasm of breast of unspecified site, female

C50.91 is the ICD-10-CM code for Malignant neoplasm of breast of unspecified site, female. It is a non-billable category code — use a more specific child code such as C50.911 for billing.

Status
Header (non-billable)
Chapter
C00-D49
Parent
C50.9
Subcodes
3
Edition
FY2026

C00-D49 Neoplasms

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code C50.91?
C50.91 is the ICD-10-CM code for "Malignant neoplasm of breast of unspecified site, female". It falls under C00-D49 Neoplasms.
Is C50.91 a billable code?
No — C50.91 is a non-billable header code. Use a more specific child code (such as C50.911) for billing.
What are the subcodes of C50.91?
C50.91 has 3 more specific child codes, including C50.911, C50.912, C50.919.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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