ARUP's Laboratory Test Directory

0030015: Antithrombin, Antigen

Test Mnemonic: AT3AG
Methodology: Microlatex Particle-Mediated Immunoassay

Performed: Sun-Sat

Reported: 1-2 days

Specimen Required:  
Collect: One 5 mL lt. blue (sodium citrate). (Min: 3 mL) Refer to the Hemostasis/Thrombosis Specimens section in the front of this User's Guide for specimen collection instructions.

Transport: 1 mL platelet-poor plasma, frozen. (Min: 0.5 mL) Submit specimen in an ARUP Standard Transport Tube.

Pediatric Collection/Transport: 0.5 mL platelet-poor plasma, frozen.

Unacceptable Conditions: Serum.  Hemolyzed specimens.

Stability: Ambient: 8 hours; Refrigerated: 24 hours; Frozen: 2 weeks

Reference Interval:
82-136%

CPT Code(s):
85301