Blue top tube, 3.2% sodium citrate
2 full 2.7mL tubes or two 1mL plasma aliquots
2 full 1.8mL tubes or two 1mL plasma aliquot
Collect specimens in 2 blue top (citrate 3.2%) tubes. Mix by inversion. Specimen should arrive at lab within 3 hours of collection; transport at room temperature. Alternatively, centrifuge, aliquot plasma into plastic tubes, and freeze the specimens within 4 hours of collection. Transport frozen specimens 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. Please provide clinical history (brief description of the reason for testing, e.g., history of easy bruising and menorrhagia, family history of von Willebrand disease) and a listing of current and recent medications, including oral contraceptives, anticoagulants, and factor replacement therapy/DDAVP.
Collect specimens in 2 blue top (citrate 3.2%) tubes. Mix by inversion. Specimens 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.
Monday and Thursday
3 hours
See individual tests.
Interpretive report provided for abnormal results
Detection of lupus anticoagulant.
This test is non-diagnostic in the setting of Low-molecular-weight heparin/ unfractionated heparin/direct oral anticoagulant use. Test is not indicated for patients receiving anticoagulant therapy. This test is not indicated for inpatient evaluation of acute thrombosis.
Panel includes Hexagonal Phospholipid Neutralization (HEXAG), Dilute Russell's Viper Venom Test (DRVVT), Partial Thromboplastin Time (PTT), and Prothrombin Time with INR (PT7). Note that both Cardiolipin Antibody and Lupus Anticoagulant are referred to as phospholipid antibodies. Test may include pathologist interpretation of results at an additional charge. By ordering this test, the clinician acknowledges that a pathologist interpretation will be performed and billed as a separate additional charge if indicated.
85613, 85598, 85610, 85730
31143, 36566, 31105, 31106
85390
Specimens will be rejected if not properly filled, clotted, grossly hemolyzed, or contaminated with heparin.