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VWF markers


Assays available

  • VWF:Ag
  • VWF:RCo
  • VWF multimer analysis
  • VWF:CB


Results for VWF:Ag, VWF:RCo & VWF:CB are available within 10 days, and can be located on the RRS and the EPR systems for internal Trust service users. Multimer analysis and VWF:FVIIIB assays are performed less regularly and results made available as soon as possible on the RRS/EPR systems. 

External service users may contact the laboratory for information regarding testing and result progress. 


Requests for VWF assays must be discussed with a consultant of the Centre for Haemostasis and Thrombosis. RIPA should be pre booked with the Centre as it is performed on fresh samples on the day of collection.


Citrate (blue top tube)

Two 4.5ml citrated samples for VWD investigations.

RIPA requires freshly prepared bottles available from the laboratory.


Please call 020 7188 2797, Monday to Friday, 9am-5.15pm.