Skip to content

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Find out more here. Hide this message

Laboratory Medicine

Test Directory / Ristocetin Induced Platelet Aggregation

Ristocetin Induced Platelet Aggregation

Citrated Plasma

TestRistocetin Induced Platelet Aggregation
Common AbbreviationsRIPA
Profile
Clinical IndicationRistocetin induced aggregation is a platelet funtion test that is used to screen for and sub-type Von Willebrands disease. Only performed after initial investigations of vWD
Specimen TypeBlood
Sample TypeCitrated Plasma
Minimum Volume1 x 3mL (adult) 1 x 1mL (paed)
Special PrecautionsPlease discuss with Consultant Haematologists in the first instance. Must be prearranged with Haemophilia Nurse prior to appointment and samples taken. Hand delivery to the Coagulation Lab before 10am
Stability4 hrs (unspun)
Turnaround Time2-3 days
LaboratorySLM Haematology Laboratory Leeds St James University Hospital
Reference IntervalIssued with final report
Limitations
Additional Information
Looking down a long bright hospital corridor with treatment rooms on the left and windows on the right. At the bottom of the corridor is one member of staff in a blue nursing uniform

Our Hospitals

Chinese Poland

View all languages >

Information for visitors

Norovirus is highly infectious and can spread easily

Please do not visit our hospitals if you or a member of your household has had nausea, diarrhoea, or vomiting within the last 48 hours. This is to prevent the spread of norovirus in our hospitals.

See more information on norovirus