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Test Code AT3 Antithrombin III Activity

Additional Codes

PathLab AT3
Epic ID LAB311

 

Specimen Requirements

Preferred Collection Container: 

Light Blue (Citrate)

 

Collection Information: 

Promptly after collection, spin down and place 1 mL of platelet-poor plasma in plastic vial. (Glass vial is not acceptable.) Freeze specimen immediately at ≤ -40° C, if possible.

 

Minimum Sample Volume: 

0.5 mL

Stability/Transport

Temperature Stability Preferred Transport
Refrigerated Not acceptable  
Frozen 30 days X
Room Temp 8 hours  

 

Unacceptable Conditions

Hemolyzed or lipemic specimens.

Performing Lab

Pathology Laboratory

Methodology

Chromogenic Assay

Day(s) Performed

Tuesday and Thursday

CPT Code Information

85300