R97Header code — not billable

Abnormal tumor markers

Chapter
18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
Category
R97
Effective date
October 1, 2026

Related codes in category R97

R97.0Elevated carcinoembryonic antigen [CEA]YesR97.1Elevated cancer antigen 125 [CA 125]YesR97.2Elevated prostate specific antigen [PSA]R97.20Elevated prostate specific antigen [PSA]YesR97.21Rising PSA fol treatment for malignant neoplasm of prostateYesR97.8Other abnormal tumor markersYes

Frequently asked questions

What is ICD-10 code R97?

R97 is an ICD-10-CM diagnosis code for Abnormal tumor markers.

Is R97 a billable code?

No. R97 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is R97 in?

R97 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.

When did R97 become effective?

R97 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to R97?

R97 belongs to category R97, which includes 6 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.