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R97

Non-billable

Abnormal tumor markers

R97 is the ICD-10-CM code for Abnormal tumor markers. It is a non-billable category code — use a more specific child code such as R97.0 for billing.

Status
Header (non-billable)
Chapter
R00-R99
Subcodes
4
Edition
FY2026

R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Includes

  • •Elevated tumor associated antigens [TAA]
  • •Elevated tumor specific antigens [TSA]

Frequently asked questions

What is ICD-10 code R97?
R97 is the ICD-10-CM code for "Abnormal tumor markers". It falls under R00-R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
Is R97 a billable code?
No — R97 is a non-billable header code. Use a more specific child code (such as R97.0) for billing.
What are the subcodes of R97?
R97 has 4 more specific child codes, including R97.0, R97.1, R97.2.

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

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