Sample type: Plasma

Test name: Anti-Xa a.k.a. Low Molecular Weight Heparin Monitoring

Condition / Indication: Monitoring low molecular weight therapy. Include a clotting screen with the request

Special precautions & notes: Not for use when a patient is on standard heparin. Assay can also be used for patients taking Rivaroxaban, Apixaban, Edoxaban, Clexane & Fondaparinux (discuss with laboratory for advice).

Reference range: Therapeutic 1.0 – 2.0 U/ml (od dosing). 0.5 - 1.0 U/ml (bd dosing). Prophylaxis 0.1 - 0.4 U/ml.

Container: Citrate (Blue top)

Ideal volume (mL): 2.7 mL

Discipline: Haematology

Turnaround time: 24 hours