# Nijmegen-Bethesda Assay

National Cancer Institute

## Source

National Cancer Institute. *Nijmegen-Bethesda Assay*. NCI Thesaurus. Code C159544.

A modification of the Bethesda Assay where the pH and the protein concentration of the test mixture is further standardized, such that the factor VIII coagulant activity (FVIII:C) in the test mixture is less prone to artifactual deterioration and the test has improved specificity.