Bethesda Assay

Department of Haematology

This test is only performed following discussion with a Consultant Haematologist
Bethesda assays can only be performed on samples that have a Factor VIII level of less than 10%
Test performed at Oxford Haemophilia Centre

2 x 2ml or 2.5ml Trisodium Citrate samples

Two days (by prior arrangement only)

N/A. A comment will be provided on the report concerning the type and potency of the inhibitor