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Test ID: Selenium (plasma)
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Selenium (plasma)
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Selenium (plasma)
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Useful For
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Assesing the nutritional status of selenium
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Method name and description
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Inductively coupled plasma mass spectrometry
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Clinical information
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Selenium is an essential trace element that forms a part of selenoenzymes such as glutathione peroxidase. A deficiency of selenium results in impaired enzyme function, and consequent loss of protective antioxidants.
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Specimen type / Specimen volume / Specimen container
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Specimen type: Blood (plasma).
Specimen volume: 1 mL plasma.
Specimen container: royal blue top / Trace Element NH Tubes.
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Relevant clinical information to be provided
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Presenting clinical signs and symptoms
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Storage and transport instructions
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Blood samples can be transported at ambiant temperature as quickly as possible.
Separated plasma samples may be stored frozen at -20°C until processing.
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Specimen Rejection Criteria
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Samples collected in other than trace element NH tubes.
Grossly hemolysed plasms samples.
Insufficient samples.
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Biological reference intervals and clinical decision values
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Age
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Reference Range
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0 – 2 months
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0.57 – 1.14 µmol/L
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3 – 6 months
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0.63 – 1.52 µmol/L
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7 – 9 months
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0.76 – 1.52 µmol/L
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10 – 12 months
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0.89– 1.65 µmol/L
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> 1 year
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0.89– 1.9 µmol/L
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Turnaround time / Days and times test performed / Specimen retention time
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Turnaround time: 7 working days.
Days and times test performed: once a week.
Specimen retention time: 14 days.
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