ICD-10-CM>R00-R99>R97-R97>R97R97Abnormal tumor markersNon-Billable/Non-SpecificApplicable ToElevated tumor associated antigens [TAA]Elevated tumor specific antigens [TSA]CodesR97.0Elevated carcinoembryonic antigen [CEA]R97.1Elevated cancer antigen 125 [CA 125]R97.2Elevated prostate specific antigen [PSA]R97.20Elevated prostate specific antigen [PSA]R97.21Rising PSA following treatment for malignant neoplasm of prostateR97.8Other abnormal tumor markers