Specimen Requirements
Title
Protein S Antigen, Free
Specimen Requirement
Collect light blue, centrifuge, pipette 1.0 mL plasma to a screw top transport tube, indicate sample type on tube and send on dry ice.
Critical frozen.
Methodology
Immunoturbidimetric
Stability
Room temp: 4 hours, Refrigerated: Unacceptable, Frozen: 30 days
Reference Range
By Report*
Turnaround
1-4 days, Performed Tuesday, Friday
Clinical Use
Test Code
PRSA2