Hyperuricosuria abnormal urine uric acid level increased urine uric acid level hyperuricosuria MPheno.ontology uricosuria hyperuricuria lithuria MP:0009810 hyperlithuria greater amount in the urine of the final oxidation product of purine catabolism in humans and primates, but which in rodents and most other mammals is normally is further oxidized by uricase to allantoin that is excreted in the urine increased level of uric acid in urine