Selenium is a vital mineral present in the body. A test for selenium level helps to determine the selenium level in the blood.
What is Selenium?
Selenium helps the cardiovascular, immune, and endocrine systems to function properly. Selenium deficiency may lead to a risk of developing cancer. It generally occurs in people who live in the area where the selenium content in the soil is low. Therefore, diagnosing the selenium level helps to prevent many diseases due to selenium deficiency.
Why is the Selenium Test Suggested?
The doctor suggests a test for the selenium level because of the following reasons. 
- If the patient suffers from infertility and hair loss.
- The immune system of the body becomes weak.
- If a person has HIV or undergoes dialysis.
How is the Selenium Test Performed?
A doctor can test a patient’s selenium level through the following steps:
- The lab assistant takes a sample of blood.
- The sample is treated and tested in the lab.
- It takes 1-3 days for the patient to obtain the results.
Selenium intake of 70 mg/day for men and 55 mg/day for women is an optimum intake .
What are the parameters measured in the Selenium Test?
The test measures the level of the mineral, selenium in the blood.
Preparation before Performing Selenium Test
There is no special preparation required before the selenium test.
Post care after the Selenium Test
There are certain aftercare steps needed for the selenium test.
- In the case of selenium deficiency, increase the intake of selenium-rich foods.
- Follow the doctor’s advice accordingly.
Sample Types in Selenium Test
The sample required for the selenium test is:
Side effects/ Risks of Selenium Test
There are certain risks and side effects involved with the selenium test.
- The needle may cause bruising.
- Clotting under the skin.