*I-stat testing is FDA approved for patients receiving Warfarin therapy only. Patients not receiving anti-coagulation therapy or therapies that include other anti-coagulants require testing at another location; analytic time may be up to 1 day.
Hemolysis does not interfere with sample analysis, however it may be an indicator of clotting factor activation prior to testing. Clinical correlation with results recommended.
Recommended therapeutic ranges for oral anticoagulant therapy: Prophylaxis; venous thromboemb./high risk surgery: INR = 2.0-3.0. Prophylaxis; venous thromboemb. hip surgery: INR = 2.0-3.0. Treatment of deep vein thrombosis or pulmonary embolism: INR = 2.0-3.0. To prevent systemic emboli with atrial fib., valvular heart disease, tissue heart valves or AMI: INR = 2.0-3.0. For mechanical prosthetic heart valves, recurrent systemic embolism: INR = 2.0-3.5.Refer to Care Management-Anticoagulation Services.