|Test||SELENIUM, 24-HOUR URINE|
|Methodology||Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)|
|Description||Useful for monitoring selenium replacement therapy|
|Specimen||1. 10 mL from a 24-hour urine collection. No preservative. See "Urine Preservatives" for multiple collections.
2. Collect in clean, plastic urine container(s) with no metal cap(s) or glued insert(s).
3. Send specimen in a plastic, 13 mL urine tube or a clean, plastic aliquot container with no metal cap or glued insert. See "Metals Analysis - Collection and Transport" for complete instructions.
4. Refrigerate specimen within 4 hours of completion of 24-hour collection. Send specimen FROZEN.
|Reference Values||< 35 µg/24 hours
The reference value is for a 24-hour collection. Specimens collected for other than a 24-hour time period are reported in units of µg/L, for which reference values are not established.
|Analytic Time||1 Day|
|Day(s) Test Set Up||Monday through Saturday|