Selenium

What is the Selenium Serum Test?

The Selenium Serum test measures the concentration of selenium, an essential trace mineral, in the blood. Selenium plays a vital role in antioxidant defense and immune function.


Who should take this test?

Individuals with symptoms of selenium deficiency, those on long-term parenteral nutrition, or people with thyroid disorders should consider this test.


How is the test performed?

A blood sample is collected and analyzed using atomic absorption spectrophotometry or ICP-MS to determine selenium levels.


What do abnormal results indicate?

Low selenium levels indicate a deficiency that may lead to oxidative stress, while high levels may indicate toxicity.


What happens after abnormal results?

Selenium supplementation or dietary adjustments may be recommended for deficiencies, while high levels may require reducing exposure to selenium-rich sources.