Specimen Requirements
Title
Anti-Thrombin III Activity
Specimen Requirement
2-Light 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.
Methodology
Stability
Frozen 3 weeks
Reference Range
By Report*
Turnaround
1-3 Days
Clinical Use
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.
Test Code
AT3M