PROTEIN S, FUNCTIONAL
This assay is used as an adjunct to initial testing based on the results of Protein S antigen assay. It helps in evaluating patients with a history of venous thromboembolism and diagnosing Congenital / Acquired Protein S deficiency.
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
Report Delivery: Sample by Thu 9 am; Report Next day