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Selenium, Urine (4180U)
Test Code8829
Includes
Creatinine
Preferred Specimen
3 mL Random urine.
Collection Instructions:
__Unpreserved urine should be refrigerated immediately and
__analyzed within 1 week of collection. Acceptable
__preservatives include: Trace Metal Free-Hydrochloric Acid
__or Nitric Acid (0.1 mL of 12M acid/10 mL urine). Avoid
__exposure to gadolinium-based contrast media for 48 hours
__prior to sample collection.
Collection Instructions:
__Unpreserved urine should be refrigerated immediately and
__analyzed within 1 week of collection. Acceptable
__preservatives include: Trace Metal Free-Hydrochloric Acid
__or Nitric Acid (0.1 mL of 12M acid/10 mL urine). Avoid
__exposure to gadolinium-based contrast media for 48 hours
__prior to sample collection.
Minimum Volume
1.3 mL Random urine
Transport Container
Random urine: Trace metal free or acid washed container
Transport Temperature
Random urine: Refrigerated preferred; Room temperature
_acceptable; Frozen acceptable
_acceptable; Frozen acceptable
Specimen Stability
Random urine
__Room temperature: 5 Days
__Refrigerated: 30 Days
__Frozen: 12 Months
__Room temperature: 5 Days
__Refrigerated: 30 Days
__Frozen: 12 Months
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received Room Temperature
Methodology
Colorimetry (C) • Inductively Coupled Plasma/Mass Spectrometry (ICP/MS)
Setup Schedule
Setup: Varies; Report: 6 days (If Pos: 11 days)
