urine taurine measurement urine taurine level 2014-05-29T17:39:40Z CHEBI:15891 CMO:0002429 JSmith Measurement of the amount of taurine in a specified sample of urine, the fluid waste product excreted by the kidneys. Taurine is an oxidized sulfur-containing derivative of the amino acid cysteine. It is used in the synthesis of bile salts, is present in bile in combination with cholic acid and can also be found in other organs and tissues such as lungs, muscles and nerves. clinical_measurement_ontology