24 hour urine collection is required; add 6M HCl as preservative to the 24 hour urine container; explain collection instructions [refer to relevant phlebotomy aid (Phleb/Aid7) or lab handbook section on 24 hour urine collection or https://www.youtube.com/watch?v=HjF-9n0FOrw video].
Submit 10mL aliquot of 24 hour urine. TOTAL 24 hour urine volume (in mL) is required (mandatory).
SHIPPING/ TRANSPORTATION REQUIREMENTS
Shipping Temperature: Refrigerated
ANALYTE STABILITY
Room Temperature: 4 DAYS at 20-25°C │ Refrigerated: 4 DAYS at 2-8°C │ Frozen: 20 DAYS at -20°C
Clinical Utility
Catecholamine tests are most often used to diagnose or rule out certain types of rare tumors, including: pheochromocytoma, neuroblastoma, paraganglioma