Selenium, urine

BC9999

Synonym(s):
Specimen Container
​Wide mouth sterile container
Specimen Requirement

​20 mL fresh random urine

Instructions Before Sampling:
Patient should avoid taking either gadolinium or iodine containing contrast media for at least 4 days as they can interfere with trace metal tests.​
Orderable as Urgent? No
Turn Around Time

​Mean = 7 days ; Range 3 - 11 days​

Reference Value(s)
>= 20 yrs: < 5.5 - 106 ug/L
Testing Laboratory Location SGH
Laboratory Biochemistry​
Contact Number 6394 1352
Day and Time Performed
​Mon to Fri: 0800hrs - 1400 hrs
Sat: 0800hrs - 1000 hrs​

Do not collect on Eve of Public holidays and Public holidays.​​
Orderable on CPOE? No
Downtime Form

Clinical Chemistry - Form A

Change History Notes

  • 22 Jun 2022 12:00 AM

    Updated non-orderable on CPOE.

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Last Updated - 05 Apr 2025