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ID:906 Anti Factor Xa Assay (LMWH)
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DescriptionThe anti-FXa assay is used to monitor low molecular weight heparin therapy (eg. Tinzaparin, Clexane, Fragmin, etc)
IndicationPatients on LMWH therapy.
Additional InfoLMW Heparin therapy does not usually require monitoring. However some patients (eg. Children, pregnant women) may require heparin levels to be monitored.
Concurrent TestsNone
Dietary RequirementsNone

InterpretationIntepreted against a therepeutic range dependant on clinical details.

Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesCritical telephone values: LMWH ant-Xa greater than 1.5IU/mL Interpretation is against a therapeutic range dependent on clinical information.
Unitsiu/mL

Other Help:National Laboratory Medicine Handbook

IP Acute TAT- Contact Laboratory
IP Routine TAT24 hours
GP Acute TAT- Contact Laboratory
GP Routine TAT24 hours
Turnround CommentSpecialist test only requested as part of an investigation by a medical haematologist
Originally edited by : RJAR. Last edited on 18/06/2019 10:27:35. Published By RJAR on 18/06/2018 10:27:35.