Factor XIII, Qual

Message
Hematology


Test Code
LAB1113


Alias/See Also
FXIII
Urea Clot Lysis
Factor 13


CPT Codes
85291

Preferred Specimen
2.7 ml. whole blood (blue top tube, citrate) MUST BE FULL


Instructions
LAB: Aliquot plasma and deliver to department 0700-2100 daily.

During off-hours, follow Platelet Poor Plasma aliquot and freezing instructions below until testing can resume:

LAB: If testing is not to be done within 2 hours, centrifuge light blue-top for 2 minutes at 7200 rpm (STAT coag. centrifuge) 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 aliquoted plasma a second time and transfer platelet-poor plasma into a new plastic vial and place in 2-8℃ refrigerator or freeze -20℃ if delay longer than 1 hour.
 
Freeze aliquot at -20oC for at least 1 hour when sending to alternate campus for testing. 


Specimen Stability

Whole blood sample stability 
Ambient: 2 hrs
Centrifuged and separated plasma (see instructions) 
Refrigerated 2-8oC: 4 hours
Frozen: -20oC: 2 weeks
Frozen: -70oC: 6 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Hemolyzed, contanminated, clotted, not enough volume


Report Available
Test performed 7:00 am - 8:00 pm Results in 24 hours


Reference Range
Normal


Performing Laboratory
HHN



The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.