PROTEIN S, ACTIVITY
Name: PROTEIN S, ACTIVITY
Mnemonic: PROTEINS
Container: PLASTIC SCREW-CAP VIAL
Handling: 1 ML FROZEN PLASMA COLLECTED IN 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
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.
NOTE:
3.8% SODIUM CITRATE (LIGHT BLUE-TOP) IS UNACCEPTABLE., 0.5 ML, FROZEN
Methodology: CLOT DETECTION
Referred Lab: Quest
CPT: 85306
Department: Send-Out
Units: % normal
Note: Set-Up: MON - FRI