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.