Clean, plastic urine container with no metal cap or glued insert
Mix 24 hr collection well and transfer a 10 mL aliquot to a clean, plastic urine container with no metal cap or glued insert
Refrigerated (preferred) - 28 days
Ambient - 72 hours
Frozen - 28 days
Mayo Clinic Laboratories (ASU24); R-MM
Days Set Up:
Mo - Fri; 7 pm
1 - 3 days
0 - 17 years: not established
≥ 18 years: < 18 µg/24 hrs
Collection/ Processing Details:
Patient should not eat seafood for a 48-hour period prior to start of collection.
High concentrations of gadolinium and iodine are known to interfere with most metals tests. If either gadolinium- or iodine-containing contrast media has been administered, a specimen should not be collected for 96 hours.
1. Collect urine for 24 hours.
2. Refrigerate specimen within 4 hours of completion of 24-hour collection.
24 hr volume is required
Inductively Coupled Plasma Mass Spectrometry (ICP-MS)