ANTI-THROMBIN III ACTIVITY
2-Blue top tubes (sodium citrate 3.2%). Spin and separate plasma from cells within 4 hours of collection. Send frozen plasma in screw capped plastic vial; indicate on transport tube “plasma/lt blue”. Contact lab for dry ice for shipment.
Frozen 3 weeks
24 hours Performed Tues, Fri
Low levels of ATIII are associated with an increased risk of thrombosis. Acquired deficiencies frequently occur due to consumption in DIC, following major operations, in cases of nephrosis, in liver disease and in contraceptive use with estrogen. ATIII deficiency can cause heparin resistance.