Test Code LAB317 Heparin Anti-Xa
Useful For
Monitoring Un-Fractionated Heparin (UFH) therapy
Methodology
Competitive assay
Performing Laboratory
Bozeman Health Laboratory Services
Specimen Requirements
Specimen must arrive within 1 hour of draw.
Specimen Type: Whole blood
Container/Tube: Blue top (3.2% sodium citrate)
Specimen Volume: Full tube
Collection Instructions:
1. Immediately after draw, invert tubes several times to mix blood with additive.
2. Send specimen in original tube. Centrifuge within 1 hour. Analyze within 2 hours.
Specimen Transport Temperature
Ambient
Specimen Stability
Specmen Type | Temperature | Time |
---|---|---|
Whole Blood (unspun) | Ambient | 1 hour |
Whole Blood (spun) | Ambient | 2 hours |
Reference Values
Reference (normal) Range: 0.0 - 0.1 U/mL
Therapeutic Range: 0.3 - 0.7 U/mL
Day(s) Test Set Up
Monday through Sunday
Test Classification and CPT Coding
85520