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| Laboratory | Exult Diagnostics, Dr. Lal PathLabs, Metropolis Labs, Oncquest Labs, Pathkind Labs |
|---|
₹ 8500 – ₹ 13310
| EX2067 von WILLEBRAND FACTOR ANTIGEN; vWF Ag | |||||||
| 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 the 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 labeled clean plastic screw-capped vial. FREEZE IMMEDIATELY. Ship frozen. DO NOT THAW. | ||||||
| Stability: |
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| Method: | Chemiluminescent Immunoassay (CLIA) | ||||||
| Comment: | It is recommended that the 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. | ||||||
| Report: | Contact us to know the TAT. | ||||||
| Usage: | von Willebrand factor is important for platelet-platelet & platelet-vessel hemostatic interactions. Decreased vWF antigen is seen in Congenital von Willebrand disease (vWD) and in acquired conditions associated with monoclonal gammopathies, lymphoproliferative disorders, and autoimmune diseases. This assay is useful for the diagnosis of vWD and its subtyping. It also helps in differentiating vWD from Hemophilia A. The assay is also useful for monitoring the therapeutic efficacy of treatment with vWF concentrates. | ||||||
| Doctor Specialty: | Hematologist | ||||||
| Disease: | Disorders of Coagulation | ||||||
| Components: | |||||||
| Courier Charges: | 0.00 | ||||||
| Home Collection: | Available (*T&C Apply) | ||||||
| Department: | Coagulation | ||||||
| Pre Test Information: | Overnight fasting is preferred. It is recommended that the 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. A duly filled Coagulation Requisition Form is mandatory. | ||||||
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