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Pathology Departments Requesting & Reporting Blood Test Information Phlebotomy Guide Contact us
Blood Sciences

Blood Test Information

minimum sample volume required ~ 5ml

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Test Code: SEL

Tube type: SST

Special instructions

Age dependent reference ranges
0-6 months: 0.30-0.54
6-24 months: 0.38-0.74
2-4 years: 0.67-0.97
4-16 years: 0.80-1.22
>16 years: 0.80-1.40

Sent away to the Trace Elements Laboratory, Univeristy Hospital of Wales, Cardiff


Turnaround Time
21 days

Department: Biochemistry

Clinical Application
Acute inflammatory response causes decrease in selenium concentration. Consider appropriateness of request if CRP is significantly elevated (e.g. if CRP 100-200, there may be a 40-60% decrease in serum selenium concentration).
Selenium results should be interpreted alongside albumin and CRP results.


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