Abnormal urine carbohydrate level 2018-07-08T12:53:24Z Any deviation from the normal concentration of a carbohydrate in the urine. Carbohydrates, also known as saccharides, comprise mono-, d-, and oligosaccharides (substances from endogenous metabolism or from exogenous sources such as diet). Most saccharides except glucose are readily excreted in the urine, reflecting dieteray consuption. Increased sacchardie levels may indicate an enzyme defect or other disease if a certain type of saccharide or a certain profile is found. Abnormal urine metabolite level