Comparison of Hormone Levels before and after Stimulation

The lab analyst measures the level of fractionated catecholamines on a total of two blood plasma samples taken at two different times during the procedure. This test measures the fractionated catecholamines, which are hormones, before and after a challenge using a stimulant such as captopril. Choose a location to see hospital-reported price summaries. This page does not show national, sample, or aggregate pricing.