Specimen Collection Requirements
Patients on oral anticoagulants will have decreased protein free S values. Patients should be off oral anticoagulant therapy for 2 weeks for accurate measurement of free protein s levels.
Platelet-Poor Plasma, one light blue (sodium citrate) top tube
Serum, nonfrozen or hemolyzed specimens
Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: at -20°C 3 months, at -70°C 6 months
Microlatex Particle-Mediated Immunoassay (LIA)
Age related reference ranges.
Thursday, January 5, 2017 03:42:26 AM