Methodology
Chromogenic
Synonyms
Factor 13; Factor XIII Activity; Factor XIII Inhibitor, Functional; Fibrin Stabilizing Factor
Specimen Type
Plasma
Performing Lab
Quest Diagnostics San Juan Capistrano
Epic ID
LAB00971
Lab Test Days
Thursday
Standard TAT
2-9 Days
Collection Information
Specimen Required
(one) 1.8 or (one) 2.7 mL Blood
Container Type
Light Blue (Sodium Citrate)
Processing Information - Lab Use Only
Transport Temperature
Frozen-Only
Specimen Stability
Room Temp=24 Hours; Refrigerated=24 Hours; Frozen=14 Days
Rejection Criteria
Thawed plasma
Test Volume Required
1 mL Platelet-Poor Plasma
Minimum Test Volume
0.3 mL Platelet-Poor Plasma
Processing Instructions
Platelet Poor Plasma: Centrifuge light blue-top tube 15 minutes at approx. 1500 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 send frozen.
CPT Codes
85290
Revised
04-03-20
Initials
SL