Last Modified:
1/16/2019 5:39:40 AM
Specimen Requirements:
Two 1.0 mL Platelet Poor Plasma from a Blue Top Tube - 3.2% Na Citrate in 2 Plastic Vials
Collection Instructions:
Centrifuge light blue-top tube 15 minutes at approx. 1500 x g within 60 minutes 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. Plasma must be free of platelets (< 10,000/mcL). Freeze immediately and ship on dry ice.
Minimum Volume:
Two 0.5 mL Plasma
Transport & Storage: Temperature/Stability:
30 days Frozen (transport)
Rejection Criteria:
Specimens received room temperature or refrigerated • Hemolysis
Reference Range:
13-19 seconds
Methodology:
Clot detection using the Behring Coagulation System (BCS)
Documentation:
Limitations: Expected impact by therapeutic levels (potential interference depends upon drug concentration): Warfarin: no effect; Heparin (UFH or LMWH): prolonged; Dabigatran or Argatroban (Thrombin Inhibitors): prolonged; Rivaroxaban or Apixaban (Factor Xa Inhibitors): no effect.
Custom Panel:
No
PRODUCTION SCHEDULE
Turn Around Time:
1 day
Days Performed:
Monday, Tuesday, Wednesday, Thursday, Friday, Saturday
Sites Performed:
Quest - Chantilly
PHL Test Code:
THROT
EPIC Test Code:
LAB3092
Send Out Test Code:
883
CPT Coding:
85670
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