urine catecholamine level urine epinephrine level 2013-06-14T16:15:34Z CMO:0001630 JSmith Measurement of the amount of epinephrine, a catecholamine hormone of the adrenal medulla that stimulates the sympathetic nervous system, resulting in increased heart rate and force of contraction, vasoconstriction or vasodilation, relaxation of bronchiolar and intestinal smooth muscle, glycogenolysis, lipolysis, and other metabolic effects, in a specified sample of urine, the fluid waste product excreted by the kidneys. clinical_measurement_ontology urine adrenaline level