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ID:275 Von Willebrands Screen
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DescriptionA series of coagulation tests to diagnose Von Willebrands disease
IndicationInvestigation of a bleeding disorder
Additional InfoTests include prothrombin time (PT), APTT, Fibrinogen, FVIII assay, VWF antigen assay and Ristocetin co-factor activity.
Concurrent TestsSee Additional Info.
Dietary RequirementsNone

InterpretationIndividual tests reported against a normal range with an overall diagnosis given

Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesCritical telephone values: Any abnormal result if the clinical details state acute bleeding. Ristocetin co-factor less than 10%
Units - Not Defined -


IP Acute TAT- Contact Laboratory
IP Routine TAT12 days
GP Acute TAT- Contact Laboratory
GP Routine TAT12 days
Turnround CommentThe test may be referred externally in certain circumstances to: Coagulation Laboratory Room H101E, H floor H Floor Royal Hallamshire Hospital Glossop Road Sheffield S10 2JF
Originally edited by : RJAR. Last edited on 18/07/2020 12:45:07. Published By B Dickinson on 18/07/2019 12:45:07.