Test Code Procedure   B-12 - See 500334 - Vitamin B-12 300166 Beta-2 Glycoprotein I, IgA, IgG, IgM   Beta-hCG - see 500068 - Chorionic Gonadotrophin, Human 803610 Beta-Hydroxybutyrate 500635 Bicarbonate (CO2) 803640 Bile Acids, Fractionated LCMS 500659 Bilirubin, Direct 500620 Bilirubin, Total   Bioavailable Testosterone - see 500288 - Testosterone, Bioavailable 300909 Bleeding Diathesis with Normal APTT/PT Profile (Factor VIII Activity, Factor VIII Chromogenic Activity, Factor IX Activity, Factor XI Activity, Fibrinogen Activity, von Willebrand Factor Antigen, von Willebrand Factor Activity, Factor XIII Activity*RUO*, Plasminogen Activator Inhibitor - 1 Activity, Euglobulin Lysis Time, Alpha 2 Antiplasmin Assay) 500636 Blood Urea Nitrogen