Methodology
Clotting Assay
Synonyms
Factor 5
Specimen Type
Plasma
Performing Lab
UCSD Special Coag
Epic ID
Other Reference Test
Lab Test Days
Monday-Friday
Standard TAT
1-4 Days
Stat TAT
2 Hours
Collection Information
Specimen Required
(one) 1.8 mL 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: 4 Hours; Refrigerated: 4 Hours; Frozen: 6 Months
Rejection Criteria
Hemolysis; Clotted; Improperly filled; Hematocrit >56
Test Volume Required
1 mL Platelet-Poor Plasma
Minimum Test Volume
0.5 mL Platelet-Poor Plasma
Processing Instructions
Separate Platelet-Poor Plasma within 4 hours of collection and freeze immediately. Complete a UCSD Special Coag requisition and place specimen in the -80 freezer for routine courier pick-up Monday-Friday at 0600 and 1030.
Revised
03-04-24
Initials
SL