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N64.5

Non-billable

Other signs and symptoms in breast

N64.5 is the ICD-10-CM code for Other signs and symptoms in breast. It is a non-billable category code — use a more specific child code such as N64.51 for billing.

Status
Header (non-billable)
Chapter
N00-N99
Parent
N64
Subcodes
4
Edition
FY2026

N00-N99 Diseases of the genitourinary system

Excludes2 — not included here

  • •abnormal findings on diagnostic imaging of breast (R92.-)

Frequently asked questions

What is ICD-10 code N64.5?
N64.5 is the ICD-10-CM code for "Other signs and symptoms in breast". It falls under N00-N99 Diseases of the genitourinary system.
Is N64.5 a billable code?
No — N64.5 is a non-billable header code. Use a more specific child code (such as N64.51) for billing.
What are the subcodes of N64.5?
N64.5 has 4 more specific child codes, including N64.51, N64.52, N64.53.

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

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