Blue top tube, 3.2% sodium citrate
Full 2.7mL tube or 1mL plasma aliquot
Full 1.8mL tube or 1mL plasma aliquot
Collect specimen in a blue top (citrate 3.2%) tube. Mix by inversion. Specimen should arrive at lab within 3 hours of collection; transport at room temperature. Alternatively, centrifuge, aliquot plasma into a plastic vial, and freeze the specimen within 4 hours of collection. Transport frozen specimen on dry ice. Collection of the blood through lines that have been previously flushed with heparin should be avoided. If the blood must be drawn through a VAD (vascular access device), the line should be flushed with 5 mL of saline and the first 5 mL of blood or six dead space volumes of the VAD discarded.
Collect specimen in a blue top (citrate 3.2%) tube. Mix by inversion. Specimen should arrive at lab within 3 hours of collection; transport at room temperature. Collection of the blood through lines that have been previously flushed with heparin should be avoided. If the blood must be drawn through a VAD (vascular access device), the line should be flushed with 5 mL of saline and the first 5 mL of blood or six dead space volumes of the VAD discarded.
Wednesday
1 hour
Latex Agglutination
>60%
Used to identify and quantitate a Protein C defect or deficiency in those patients subject to recurrent venous thrombosis or pulmonary emboli.
This test is not indicated in patients receiving warfarin (coumadin) therapy. This test is not indicated for inpatient evaluation of acute thrombosis.
85302
31112
Specimens will be rejected if not properly filled, clotted, grossly hemolyzed, or contaminated with heparin.