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Antiplasmin

Profile or Test Panel
Bleeding Diathesis with a Normal APTT/PT Profile
Fibrinolysis Evaluation Profile
Method Chromogenic
Test Information Alpha-2-antiplasmin, a naturally-occurring inhibitor of fibrinolysis, is measured using a chromogenic substrate. Levels are reduced in hereditary alpha-2-antiplasmin deficiency, a rare autosomal recessive bleeding disorder. Some heterozygous individuals (40-60%) have mild bleeding tendencies. Acquired deficiencies include liver disease, disseminated intravascular coagulation (DIC), and thrombolytic therapy.
Sample Requirements Whole Blood: 3.2% Sodium Citrated (blue top) OR
Frozen Plasma
Requested Volume Two 5 ml 3.2 sodium citrated (blue top) tubes as whole blood OR
Frozen plasma in 4 X 1mL aliquots in plastic tubes
Minimum Volume or Pediatric volume Frozen Plasma: at least 0.5ml in 2 plastic tubes.
Sample Information Whole blood is preferred for testing but if it is not possible to send whole blood tubes TO ARRIVE HERE WITHIN 3 HOURS of collection then send frozen plasma. To prepare plasma centrifuge blue top tubes at 1500g for 15 minutes and remove the plasma and centrifuge a second time at 1500g for an additional 15 minutes. Aliquot approximately 1 ml of plasma into 4 plastic tubes, and freeze.
Shipping Information Whole Blood: Send at ambient temperature (18-25C) and must be received within the lab in less than or equal to 3 hours after collection.
Frozen Plasma: send on dry ice
Requisition Form RFT- Hemostasis Reference Laboratory
Transaction Code 3230-04
CPT Codes 85410
Test Schedule Monday – Friday
Turn around Time (analytic time) 5 Business Days
Report/ Results Fax number required to receive report

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