van den Bergh’s test /van″ dən burgs′/ [Albert A.H. van den Bergh, Dutch physician, 1869–1943] , a test for the presence of bilirubin in the blood serum. Blood is obtained from a patient, and the diluted serum is added to diazo reagent. A blue or violet color indicates the presence of bilirubin. The rate and magnitude of the color change are noted. See also bilirubin.
