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Test & Collection Guide

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Apixaban Level

Ordering information:

Required information: the anticoagulant type ( ie. unfractionated Heparin, Clexane, Fragmin, Rivaroxaban, Apixaban or Fondaparinux ) being monitored MUST be indicated on the request.

This information is required to select the correct assay.

Alternate names:
Anti-10a, Apixaban level
Laboratory:
Coagulation
Test Code:
APIX
Specimen types:
Plasma
Container types:
Sodium CitrateSodium Citrate
Collection Instructions:
Sample haemolysis may make this test unreportable
Samples found to have clots cannot be tested

Excerise great care in collection and handling of plasma to avoid the release of platelet factor 4 (PF4) which is a potent inhibitor of heparin.

 

3.5 mL Sodium Citrate tube filled to label marker, mixed by inversion and sent to laboratory immediately.

Do not use 1 ml citrate tubes.

 

Minimum Adult Volume:
4 mL
Notes:

If testing is delayed by more than 4 hours: spin separate and freeze plasma (plasma should be double spun)

Specimen rejection: specimens that are under or over filled , specimens that do not meet identification requirements.

Frequency:
Daily
Result Turnaround Time:
4 hours
Laboratory Use Only
Storage Instructions:

Therapeutic range can depend on treatment regime and be influenced by renal function and weight.

Contact the Haematologist / Registrar for advice.