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SEU-M
SELENIUM, 24-HOUR URINE

Test Code SEU-M 
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.

NOTE:
1. 24-HOUR VOLUME IS REQUIRED ON REQUEST FORM FOR PROCESSING.
2. Follow "Urine Collection" instructions. 

Reference Values < 35 g/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 g/L, for which reference values are not established. 

Analytic Time 1 Day 
Day(s) Test Set Up Monday through Saturday 
CPT Code(s) 84255  

Special Instructions