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ID:917 Low Molecular Weight Heparin (LMWH) Assay
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DescriptionThe anti factor Xa assay is used to monitor LMWH therapy (eg, Tinzaparin, Clexane, Fragmin etc.)
IndicationPatients on LMWH therapy.
Additional InfoLMWH therapy does not usually require monitoring. Some patients however (eg. Children, pregnancy, compliance confirmation) may require levels to be monitored.
Concurrent TestsNone
Dietary RequirementsNone
InterpretationInterpreted against a therapeutic range dependent on clinical details

DepartmentSpecialist Laboratory Medicine
Tube Picture
Collection ConditionsCitrate sample filled to line
Min. Vol

Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesCritical telephone values: LMWH ant-Xa greater than 1.5IU/mL
IP Acute TAT- Contact Laboratory
IP Routine TAT24 hours
GP Acute TAT- Contact Laboratory
GP Routine TAT24 hours
Turnround CommentSpecialist test only to be requested by a medical haematologist.

Originally edited by : RJAR. Review due on 18/06/2019 10:36:16. Published By RJAR on 18/06/2018 10:36:16.