Bethesda Assay
Department of Haematology
Notes
- 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
Sample Requirements
2 x 2ml or 2.5ml Trisodium Citrate samples
![3ml Trisodium citrate](https://www.gloshospitals.nhs.uk/media/images/3mL_sodium_citrate_black_insert.width-800.jpg)
Turnaround Time
Two days (by prior arrangement only)
Reference Ranges
N/A. A comment will be provided on the report concerning the type and potency of the inhibitor