DefinitionA protein urine test measures the amount of proteins, such as albumin, found in a urine sample.A blood test may also be done to measure the level of albumin. See: Serum albuminAlternative NamesUrine protein; Albumin - urine; Urine albumin; Proteinuria; AlbuminuriaHow the test is performedUrine protein may be tested using a random sample of urine and a dipstick test, or it may require a 24-hour urine sample. See: 24-hour urine proteinHow to prepare for the testYour health care provider may tell you to temporarily stop taking any drugs that can interfere with test results.Drugs that can affect measurements include:AcetazolamideAminoglycosidesAmphotericin BCephalosporinsColistinGriseofulvinLithiumMethicillinNafcillinKidney damaging drugsOxacillinPenicillaminePenicillin GPhenazopyrid