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Selenium

The Selenium test measures thyroid hormone levels to diagnose hypothyroidism or hyperthyroidism and is prescribed for people with unexplained fatigue, weight changes, hair loss, cold/heat intolerance, or irregular periods. At GetVisit, you can book this test online, choose a home collection or walk-in slot, and receive your digital report on your phone , with cashless OPD insurance accepted.
What is a Selenium Test in Vasai Virar ?
What is Selenium?
Selenium evaluates how well the thyroid gland is producing and regulating hormones. An underactive thyroid (hypothyroidism) produces too little hormone, causing fatigue, weight gain, and depression. An overactive thyroid (hyperthyroidism) produces too much, leading to weight loss, anxiety, and palpitations. This test helps differentiate between the two.
What does Selenium measure?
This test measures the amount of selenium in your blood. Selenium is a trace mineral the body needs in small amounts. It helps protect cells from damage and supports the immune system. A blood sample is analysed using immunoassay technology. Results are reported with reference ranges appropriate for the patient's age and, where applicable, pregnancy status. TSH is typically ordered first; if abnormal, a full panel including free T3, free T4, and antibodies is ordered to characterise the type and cause of thyroid dysfunction.
What do the results of Selenium mean?
Once thyroid replacement or anti-thyroid treatment is started, TSH is rechecked every 6 to 8 weeks until levels stabilise within the target range, then annually. Over-treatment of hypothyroidism (TSH too low from too high a dose of levothyroxine) increases the risk of osteoporosis and atrial fibrillation. Under-treatment leads to persistent symptoms. Accurate dose titration through regular testing is essential.
Selenium Test Preparation in Vasai Virar
Fasting and dietary instructions:
No fasting is required for this test. However, as a general precaution, avoid alcohol and a heavy, fatty meal the evening before any blood test. These can temporarily alter several commonly tested markers even in tests that do not require strict fasting.
Medication guidance:
If you are on levothyroxine (thyroid hormone replacement), do not take your morning dose before the blood draw , have the sample collected first, then take your medication. This gives the most accurate reading of your baseline thyroid hormone level before the daily dose is absorbed into the system.
What to bring:
Carry your doctor's test order, a photo ID, and your corporate OPD insurance card to the appointment. If you have had this test done before, bring your previous reports , comparing values over time is clinically more meaningful than interpreting a single reading in isolation.
Timing:
The best time for blood tests is in the morning after an overnight fast and a night of normal rest. Stress, poor sleep, and strenuous activity can affect several hormonal and metabolic markers. Booking a morning slot minimises these variables.
Selenium Test Parameters in Vasai Virar
The Selenium test evaluates various parameters. Here are the main parameters checked:
Why Take a Selenium Test in Vasai Virar ?
When does a doctor order Selenium?
Endocrinologists order Selenium routinely for all patients receiving thyroid medication, for pregnant women (thyroid dysfunction affects foetal development), for individuals with a family history of thyroid disease who have never been screened, and for post-thyroidectomy patients who need lifelong hormone monitoring.
Who should get Selenium done?
Selenium is often ordered as part of a trace element or micronutrient panel. Doctors may request it when a person has unexplained fatigue, muscle weakness, hair loss, or thyroid problems. Women above 30, particularly those with a family history of thyroid disease, irregular periods, PCOS, or plans to conceive, should consider annual thyroid screening. Men are less commonly affected but should be tested if they experience unexplained fatigue, weight changes, or low libido that cannot be attributed to other causes. Regular screening identifies subclinical thyroid disease before it progresses to overt dysfunction.
What happens after the results are ready?
Your doctor will interpret the results in the context of your symptoms, medical history, and risk factors. Results outside the normal range do not automatically indicate disease , they are a signal that requires clinical interpretation. GetVisit's digital report is saved to your health timeline and remains accessible and shareable at any time, making follow-up consultations more efficient.
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Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.
A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.
A clean facility enhances experience. Quick checkups are a plus. Miss Rinku from Aditya Birla Health Insurance provided excellent service and handled our files well.
“The service was excellent—she was helpful, efficient, and made my recovery smooth and stress-free. Her support made a real difference.”
“Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!”
Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!
Vijay Bisht was friendly, helpful, and made our home test process seamless. Grateful for his timely support and follow-up.
A big thank you to Shikhar from the Visit app for going above and beyond to arrange a last-minute appointment during an urgent situation. His seamless coordination truly made a difference.
A clean facility enhances experience. Quick checkups are a plus. Miss Rinku from Aditya Birla Health Insurance provided excellent service and handled our files well.
“The service was excellent—she was helpful, efficient, and made my recovery smooth and stress-free. Her support made a real difference.”
“Thank you, Shared Gupta, for the great support with my reimbursement claims and Wipro health packages. Truly appreciated!”
Thank you, Rinku. I appreciate your help during my visit. The hospital staff were courteous and professional. Overall, a very good experience!
I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.
Huge shoutout to Shikhar from the Visit app! He has been incredibly supportive during emergencies — always responsive and ready to help. Truly impressed by his dedication and calm efficiency.
“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”
I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.
“Grateful to Shikhar for finding a cataract specialist at a convenient time and ensuring a smooth experience. A true asset to the Visit team!”
Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.
I want to share my feedback on the help I received for my health checkup. I was happy with the guidance and support. Thank you for your assistance; it made the experience stress-free.
Huge shoutout to Shikhar from the Visit app! He has been incredibly supportive during emergencies — always responsive and ready to help. Truly impressed by his dedication and calm efficiency.
“I connected with the concierge team today and spoke with Vijay—he was helpful and made a real effort to address my concerns.”
I appreciate Shreshta's outstanding support. She kept me updated on my medicals after hours and ensured everything went smoothly. Her proactive communication and care made a big difference.
“Grateful to Shikhar for finding a cataract specialist at a convenient time and ensuring a smooth experience. A true asset to the Visit team!”
Hi Aniket, Annu, Mayur, I appreciate Shikhar's support in organizing clinic appointments for my child at odd hours. It's a sensitive matter for any parent, and I'm thankful for his understanding.