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ID:897 Ristocetin Induced Aggregation (RIPA)
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DescriptionRistocetin induced aggregation is a platelet funtion test that is used to screen for and sub-type Von Willebrands disease. Please contact the laboratory before requesting these tests.
IndicationInvestigation of a bleeding tendency and investigation of Von Willebrands Disease.
Additional InfoHigh and low doses os ristocetin are used to aggregate patients platelets in platelet rich plasma. This uses a platelet aggregation methodology. The variation is used to help diagnose the presence or absence of Von Willebrands or to help sub-type an existing diagnosis.
Concurrent TestsVon Willebrands Screen
Dietary RequirementsNone


Ref. Range (Male)
Ref. Range (Female)
Ref. Range (Paed)
Ref. Range NotesDescriptive Report
Units- Descriptive Report

Other Help:National Laboratory Medicine Handbook

IP Acute TAT- Contact Laboratory
IP Routine TAT- Contact Laboratory
GP Acute TAT- Contact Laboratory
GP Routine TAT- Contact Laboratory
Turnround CommentPrior warning of these tests is essential to ensure sam,ples are processed.
Originally edited by : RJAR. Last edited on 13/11/2019 08:16:57. Published By RJAR on 13/11/2018 08:16:57.