Specimen: 3 mL whole blood in 1 Blue Top (Sodium Citrate) tube. Mix thoroughly by inversion. Transport to Lab within 4 hours. If this is not possible, make PPP within 1 hour of collection as follows: Centrifuge sample at 3600 rpm for 15 min. & transfer supernatant to a clean plastic tube. Centrifuge this supernatant again at 3600 rpm for 15 min. & finally transfer the supernatant (PPP) to 1 labelled clean plastic screw capped vial. FREEZE IMMEDIATELY. Ship frozen. DO NOT THAW. Overnight fasting is preferred. Duly filled Coagulation Requisition Form (Form 15) is mandatory.
Stability (Room): 4 hrs
Stability (Refrigerated): 4 hrs
Stability (Frozen): 2 weeks
Method: Electromechanical Clot Detection
Comment: It is recommended that patient discontinues Heparin for 1 day and Oral Anticoagulants for 7 days prior to sampling as these drugs may affect test results. Discontinuation should be with prior consent from the treating Physician. Also see PHOSPHOLIPID SYNDROME PANEL.
Price: Contact Medilab
Turnaround time (TAT): 10 – 15 days
Usage: Lupus Anticoagulants are heterogenous IgG or IgM autoantibodies which interfere with phospholipid dependent in vitro coagulation tests, particularly Activated Partial Thromboplastin Time (APTT). These antibodies are associated with thrombosis (arterial & venous), recurrent abortions, neurological & neuropsychiatric disorders.
Specialty: Hematologist
Disease: Thromboembolic disorders
Components: *APTT *PTT-LA *dRVVT
Courier Charges:
Home Collection: Available
Department:
Pre-test Information: Overnight fasting is preferred. It is recommended that patient discontinues Heparin for 1 day and Oral Anticoagulants for 7 days prior to sampling as these drugs may affect test results. Discontinuation should be with prior consent from the treating Physician. Duly filled Coagulation Requisition Form (Form 15) is mandatory.