<unk>  is a medical diagnostic test that measures<unk> <unk> metabolites in the urine. The metabolites can come from host cells or from flora. The test can be used to exclude the possibility that a person has an inborn error of metabolism, usually one of the<unk> <unk> mias. It is also used to look for problems with nutrition or evidence of certain infections or bacterial overgrowth. The usual method of analysis is tandem mass spectrometry. GC-MS total ion chromatogram of a urine sample in a patient with diabetic ketoacidosis
Urine organic acids
Blood urea nitrogen
Urine urea nitrogen
Serum total protein
Urine osmolality
Urine sodium
CSF glucose
Urine anion gap