Test guide

Nijmegen-Bethesda Assay

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.

For professionalsReviewed 2026-10-20

What it is for

Source: National Cancer Institute, NCI Thesaurus 26.09d, C159544. Unmodified NCI definition, CC BY 4.0. Source identity and classification checked automatically on 2026-10-20.

Limitations

Terminology reference for a laboratory procedure. The source definition does not establish routine clinical availability, validated specimen types, reference intervals, product authorization or suitability for an individual. Consult the performing laboratory for its validated method and interpretation.

Also known as

  • Nijmegen-Bethesda Assay

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