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Factor XIII, Qual
MessageHematology
Test Code
LAB1113
Alias/See Also
FXIII
Urea Clot Lysis
Factor 13
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.
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