Cyanide-nitroprusside test | definition of cyanide-nitroprusside test by Medical dictionary
a qualitative test for diagnosis of cystinuria; the addition of fresh sodium cyanide formed by sodium nitroprusside to a sample of urine gives rise to a stable red-purple color in the presence of cystine.
References in periodicals archive
When homocystinuria is a possibility, a cyanide-nitroprusside test
for urine disulfides should be done.