antithrombin 3 in activity

Introduction

Reference range:

• 80-120% (functional assay)

Clinical significance

• see antithrombin-3 assay

Increases

• see antithrombin-3 assay

Decreases

• see antithrombin-3 assay

Methods

• coagulation testing, chromogenic substrate (spectrophotometry)

Specimen

• plasma, sodium citrate (light blue-top).
• minimal volume 0.5 mL.
• shipping: frozen (do not thaw)

More general terms

• antithrombin 3 in plasma (antithrombin 3 assay)

Additional terms

• antithrombin-III (ATIII, heparin cofactor, SERPINC1, AT3, PRO0309)