ACCURATE TEST. FAST RESULTS.

We perform medical diagnostic tests and efficiently provide accurate results that help your physician screen for, diagnose, and manage the treatment of health problems.

LABORATORY TEST DIRECTORY

Antithrombin, Enzymatic (Activity)

CPT Code(s): 85300
Specimen Required: Patient Preparation:
Collect: Lt. blue (sodium citrate). Refer to Specimen Handling at reliancediagnosticslab.com for hemostasis/thrombosis specimen handling guidelines.
Specimen Preparation: Transfer 1.5 mL platelet-poor plasma to an RDL Standard Transport Tube. (Min: 1 mL)
Storage/Transport Temperature: CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered.
Stability: Ambient: 4 hours; Refrigerated: Unacceptable; Frozen: 1 month
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • Antithrombin Activity, Plasma
  • Antithrombin III Activity
  • Antithrombin III, Functional
  • AT III Activity
  • AT III Activity/Functional
  • AT3 Activity
  • AT3 Activity/Functional