Protein S Activity Blood Test

Test Code: 1779

Also Known As: Functional Protein S; Protein S Activity, Plasma; Protein S, Functional Blood Test

Methodology: Clot Detection

Preparation: No fasting required. Avoid warfarin therapy 2 weeks before blood draw and heparin therapy 2 days before blood draw. Check with physician before stopping any medications.

Test Results: 7-10 days. May take longer based on weather, holiday or lab delays.