Patient should not be on any corticosteroid, ACTH, estrogen, or gonadotropin medications, if possible, for at least 48 hours prior to collection of specimen.
24-hour urine. No special preservatives required.
Mix specimen well. Refrigerate during collection. Transfer 10 mL aliquot of urine to ARUP Standard Transport Tubes. (Min: 5 mL) Submit total volume.
Test is not performed at ARUP; separate specimens must be submitted when multiple tests are ordered.
Frozen. On dry ice is preferred. Separate specimens must be submitted when multiple tests are ordered.
Ambient: 1 hour; Refrigerated: 4 days; Frozen: 6 months
Performed by non-ARUP Laboratory
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