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Lab Manual for Moffitt-Long and Mount Zion

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Selenium, urine

Item Value
Approval req'd? No
Available Stat? No
Test code SELRU
Test group Selenium
Performed by National Medical Services via Quest
Sendout? Yes
Method Graphite furnace atomic absorption spectrophotometry (GFAAS)
Collection Instructions Clean catch uirne
Container type Acid washed (trace metal free) container or urine cup
Amount to Collect 15 mL urine
Sample type Random urine
Preferred volume 5 mL urine
Min. Volume 3 mL urine
Processing notes Aliquot urine in acid washed (trace metal free) container and refrigerate. DO NOT freeze.

Ship sample refrigerated to Quest, order test # 8829X. If patient is B/T, order LabCorp test # 071613.
Ref Lab Rejection Criteria Frozen sample received
Units µg/L (µg/g Creratinine
Normal range
Selenium ≤ 200 µg/L
Corrected for Creatinine < 25 µg/g Creatinine
Synonyms Se
Stability Room temperature 2 weeks, refrigerated 2 weeks.
Turn around times Performed at NMS Tuesday & Saturday. Turnaround 7-14 days
Additional information Concentrations are diet dependent.

Creatinine is also run and reported on the sample
CPT coding 84255-90, 82570-90
LOINC code 5726-5
Last Updated 3/24/2013 7:31:49 PM
Entry Number 1168

If you have additional questions regarding this test, please call: 415-353-1667

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