PROTEIN S, FREE

Name: PROTEIN S, FREE
Mnemonic: PROTS
Container: PLASTIC SCREW-CAP VIAL
Handling: 1 ML PLASMA COLLECTED IN A 3.2% SODIUM CITRATE (LIGHT BLUE-TOP) TUBE. INSTRUCTIONS: DRAW BLOOD IN LIGHT BLUE-TOP TUBE CONTAINING 3.2% SODIUM CITRATE, MIX GENTLY BY INVERTING 3-4 TIMES. CENTRIFUGE 15 MINUTES AT 1500 G WITHIN 1 HOUR OF COLLECTION. USING A PLASTIC PIPETTE, REMOVE PLASMA, TAKING CARE TO AVOID THE WBC/PLATELET BUFFY LAYER AND PLACE INTO A PLASTIC VIAL. CENTRIFUGE A SECOND TIME AND TRANSFER PLATELET-POOR PLASMA INTO A NEW PLASTIC VIAL(S). FREEZE IMMEDIATELY AND TRANSPORT ON DRY ICE., 0.5 ML, FROZEN
Methodology: IMMUNO-TURBIDIMETRIC ASSAY
Referred Lab: Quest
CPT: 85306
Department: Send-Out
Units: %
Note: Set-Up: FRIDAY
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