Cancer Screening lab tests in HealthLabs Lab Test Test Cost Horsefly Allergy Test $49.00 Prostate-Specific Antigen (PSA), Free: Total Ratio - PSA Free and Total Blood Test $129.00 Prostate-Specific Antigen (PSA) Test $49.00 Prostate-Specific Antigen (PSA) Test - Total PSA Test $49.00 Occult Blood, Fecal, Immunoassay $90.00 Alpha-Fetoprotein Test, Tumor Marker - Alpha-Fetoprotein Test $44.00 Alpha-Fetoprotein Test, Tumor Marker $44.00 Occult Blood, Fecal, Immunoassay $90.00 Cancer Antigen 125 Test $79.00 Cancer Antigen 125 Test - CA 125 Blood Test $79.00