Anti-Xa for Low Molecular Weight Heparin

Centralized Core Laboratory:Hematology

Test ID/Workstation: LMWH ACOAG

Specimen Type: Blood

Tube Type: Blue top (sodium citrate) tube

Collection Volume: 2.7 mL (minimum 1.8 mL)

Must use appropriate sodium citrate tube based on volume of blood drawn (1.8 mL or 2.7 mL tube)

Storage: Frozen

Availability: Daily; 7:00-3:00

Methodology: Chromogenic Assay

Special Instructions: Send by courier STAT to Hospital lab

Lab/Phone: 330-543-8418

TAT: 24 Hours

Additional Info: Reference Range:

Prophylaxis: 0.2-0.4 IU/mL

Therapeutic: 0.6-1.2 IU/mL

CPT Code: 85520

Requisition Form
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