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Antithrombin III Antigen
Alternative Names/Synonyms
AT3 Antigen
Laboratory
Core Laboratory & Transfusion Medicine
Sub-section
Hematology
Specimen Type
Blood
Test Code
AT3AT
Ordering Instructions, Requisition
MSH Coagulation requisition form (MS 520)
Specimen Requirements (Sample Type)
Plasma (3.2% Na Citrate)
Specimen Requirements (Volume (mL))
Full draw
Specimen Requirements (Tube Type)
Light Blue citrate tube
Collection Containers – Tube Types
Draw (mL)
Adult: 2.7 mL
Pediatric Micro tube: 1 mL
Collection Requirements
Blood Collection Instructions
Cause for Rejection
Specimen Acceptability and Transport Guidance
Instrument, Methodology
Referred Out:
https://stmichaelshospital.com/mirror-hosts/stmichaelshospital.com/programs/labs/tests/
Test Availability
Test may be requested at any time. Samples are aliquotted and frozen. The assay is referred out.
Referral Laboratory
Referred Out to St. Michaels Hospital
Laboratory Contact Information
416-586-4800 Extension 4688
Special Instructions
Must indicate anticoagulant status