<prompt> Uronic acid level in urine is elevated in-TyrosinosisMaple syrup urine diseaseNieman picks diseasemucopolysaccharidosis  <response>: Uronic acid glucuronic acid is one of the essential components of mucopolysaccharide glycosaminoglycans. So, it is increased in mucopolysaccharidosis.In mucopolysaccharidosis, glucuronic acid and iduronic acid are excreted in urine. 