Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Monitoring selenium replacement therapy.
< 35 mcg/specimen (24 hr collection)
1 - 3 days
Collect 24 hour urine in a clean, plastic container with no metal cap or glued insert and no preservative. Aliquot urine into a clean, plastic container with no metal cap or glued insert and refrigerate within 4 hours of completion of collection. Record total 24 hour urine volume and collection dates/times on request form. Collection must take place prior to or 48 hours after administering gadolinium-containing contrast media.
Sent to Mayo Medical Laboratories.