Antithrombin III Antigen

AT3 Antigen
Core Laboratory & Transfusion Medicine
Hematology
Blood
AT3AT

MSH Coagulation requisition form (MS 520)

Plasma (3.2% Na Citrate)

Full draw

Light Blue citrate tube
Collection Containers – Tube Types

Adult: 2.7 mL
Pediatric Micro tube: 1 mL




Test may be requested at any time. Samples are aliquotted and frozen. The assay is referred out.

Referred Out to St. Michaels Hospital

416-586-4800 Extension 4688

Must indicate anticoagulant status