Cancer Screening lab tests in DirectLabs Lab Test Test Cost CA 125 (Cancer Antigen 125) - CA 125 Blood Test $54.00 Prostatic Acid Phosphatase (PAP), Serum - Acid Phosphatase Test $88.00 PSA (Prostate Specific Antigen) Free And Total - PSA Free and Total Blood Test $69.00 Beta-2-Microglobulin, Serum $99.00 CA 19-9 (Carbohydrate Antigen 19-9) - Cancer Antigen or CA 19-9 blood test $54.00 PSA, Post Prostatectomy $144.00 PSA, Total (Prostate Specific Antigen) - Total PSA Test $42.00 Alpha Fetoprotein (AFP), Tumor Marker - Alpha-Fetoprotein Test $78.00 Cancer Antigen (CA) 27.29 $119.00 Calprotectin, Stool $169.00 ColoVantage® (Methylated Septin 9) $499.00 CA 15-3 (Cancer Antigen 15-3) - CA 15-3 Test $56.00 Thyroglobulin, LC/MS/MS $279.00 Fecal Globin by Immunochemistry (FIT)(InSure®) $57.00 CEA (Carcinoembryonic Antigen) - CEA Blood Test $44.00 Calcitonin $99.00