Try again. A UCCR is a good way to rule OUT hyperadrenocorticism, but it has low specificity, so an elevated result is not necessarily diagnostic of Cushing's disease. This test is better suited to cases in which you think hyperadrenocorticism is possible but not as likely as other differentials and you just want to rule it out. In that case, having the owners collect the urine at home and bring it into the clinic will decrease the odds of a false positive result.
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