26 %

Protein S Antigen, Free

188 Ratings

Rs 5,000 Rs 6,750

Why book with us?

  • Free and On Schedule Sample Collection
  • 24/7 Service
  • Affordable
  • Quick and Accurate Reports

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 history of venous thromboembolism and diagnosing Congenital / Acquired Protein S deficiency. Only free Protein S has anticoagulant activity.

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. Overnight fasting is preferred. Duly filled Coagulation Requisition Form (Form 15) is mandatory. 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.

Immunoturbidimetry

Sample Daily by 11 am; Report Same day

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 history of venous thromboembolism and diagnosing Congenital Acquired Protein S deficiency. Only free Protein S has anticoagulant activity.

NULL

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.

Get a Free Call

To Know about Services Detail or any Enquiry.

book health check