Test Code AT3 Anti-Thrombin III Activity
Specimen Requirements
Container/Tube: Three (3) Light blue-top (3.2% sodium citrate) tube
Specimen Volume: Full 4.5-mL tube of whole blood
Collection Instructions: Immediately invert tube and mix gently 8 times. Clotted blood is not acceptable. Avoid hemolysis.
Note: 1. Patient should not be receiving Coumadin® for at least 14 days and heparin for at least 48 hours prior to draw.
2. Label specimen appropriately.
Specimen Transport Temperature
Ambient
Performing Laboratory
The Valley Hospital
Test Classification and CPT Coding
85300