Heparin (anti Xa) Assay

Test Name

Heparin (anti Xa) Assay

Alternate Description

Heparin Assay

Availability

08:00 to 15:30 hours seven days a week

Lab Section

Hematology

Fluid Type

Whole Blood

Specimen Tube Type Transport

Sodium Citrate Blue Top

Container Whole Blood Required

1 Full Sodium Citrate Blue Top tube

Summary Test Name

Heparin (anti Xa) Assay

Transport Time

Deliver to Specimen Processing Area within 30 minutes of collection

Specimen Preparation Outreach

Refrigerate until courier pickup

Specimen Stability

2 hours from collection time if refrigerated

Specimen Transport

Refrigerated

Specimen Preparation In House

Spin at 2500 g for 20 minutes. Remove plasma and split into two aliquots. If not performed immediately, dip in methanol located in freezer and freeze at - 70o C. until analysis

Stat Availability

08:00 to 15:30 hours seven days a week

Test Turnaround Time Routines And Stats

24 hours

Additional Test Information

Must be performed within 2 hours after collection or frozen. Must be collected ON ICE. Do not draw specimen from heparin line.