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DNA Labs India

Selenium Serum Test

DNA Labs India | ISO 9001:2015 Certified

Selenium Serum Test

Also known as: Selenium Blood Test, Se Test, Selenium Level Test

Selenium Serum Test test available at DNA Labs India for ₹4,500. Uses ICPMS on Serum samples. Results in Report available next day after sample collection.. Free home collection in 300+ cities across India.

Serum Test🏠 Home Collection

✍️ Written By

🩺 Medically Reviewed By

Dr Ramarao Paidisetty

Dr Ramarao Paidisetty

Consultant Biochemist · Reg: 21504

Last reviewed: September 7, 2026

Overview

This test is used to measure selenium levels in the blood for diagnosing deficiency or toxicity, and to monitor selenium replacement therapy, particularly in patients with no functional bowel or on parenteral supplementation.

Test Code
1415
Price
₹4,500
Sample Type
Serum
Result Time
Report available next day after sample collection.
Fasting Required
No
Method
ICPMS
Step 1

Sample Collection

If Gadolinium, Iodine or Barium containing contrast media has been administered, the specimen should not be collected for 96 hours.

Method: Venipuncture

Step 2

Laboratory Analysis

Use powderless gloves during specimen collection.

Step 3

Report Delivery

Ship the sample refrigerated or frozen.

Timeline: Report available next day after sample collection.

Patient Instructions

1
Before the Test:If Gadolinium, Iodine or Barium containing contrast media has been administered, wait 96 hours before sample collection.
2
During the Test:A blood draw will be performed by a trained phlebotomist.
3
After the Test:Apply pressure to the puncture site to stop bleeding and avoid heavy lifting for a few hours.

About This Test

Who Should Get This Test

This test is used to measure selenium levels in the blood for diagnosing deficiency or toxicity, and to monitor selenium replacement therapy, particularly in patients with no functional bowel or on parenteral supplementation.

How to Prepare

  • Collect 2 mL serum from a metal-free White Top tube
  • Use powderless gloves to avoid contamination
  • Ship sample refrigerated or frozen to maintain stability

Doctor's Notes

Reviewed by — MBBS, MD (Biochemistry) · Reg. No. 21504

"Selenium is crucial for thyroid function and antioxidant defense. Regular testing can help prevent deficiencies that lead to serious health issues like cardiomyopathy."

Last medically reviewed: September 7, 2026

Test Parameters & Specifications

Sample TypeSerum
Sample Volume2 mL
ContainerMetal-free White Top (Z-No Additive) tube
Collection MethodVenipuncture

Sample Stability

Room Temperature
Refrigerator
Frozen
Sample Rejection Criteria:
  • Sample collected within 96 hours of contrast media administration
  • Sample not collected in appropriate metal-free tube
  • Sample hemolyzed or improperly stored

Understanding Your Results

Selenium levels are interpreted based on the reference range of 70-150 mcg/L and clinical symptoms.
📊

Indicates selenium deficiency, which may require supplementation and further evaluation.

Level: Below 70 mcg/L

📊

Normal selenium levels, suggesting adequate intake and status.

Level: 70-150 mcg/L

📊

May indicate selenium toxicity, which can cause symptoms like nausea and neurological issues.

Level: Above 150 mcg/L

⚠️ When to Consult a Doctor:

If you experience symptoms of selenium deficiency or toxicity, or if your test results are abnormal, consult an endocrinologist or healthcare provider for personalized advice.

Limitations

  • ⚠Measures serum selenium only, which may not fully reflect tissue selenium stores
  • ⚠Results can be affected by recent dietary intake or supplements

Risks & Considerations

  • ●Minor bruising at the puncture site
  • ●Slight pain or discomfort during blood draw
  • ●Rare risk of infection at the puncture site

Interfering Factors

  • ●Administration of Gadolinium, Iodine, or Barium-containing contrast media within the last 96 hours
  • ●Use of selenium supplements prior to the test
  • ●Dietary factors high in selenium

Frequently Asked Questions

What is the Selenium Serum Test?
The Selenium Serum Test measures the level of selenium in the blood to assess deficiency or toxicity, which is essential for thyroid function and antioxidant defense.
Why is the Selenium Serum Test done?
It is done to diagnose selenium deficiency, monitor replacement therapy, evaluate symptoms like muscle weakness, and assess occupational exposure.
What are the symptoms of selenium deficiency?
Symptoms include weak immune system, muscle weakness, fatigue, thyroid problems, hair loss, brittle nails, cognitive decline, and infertility.
How is the Selenium Serum Test performed?
A blood sample is drawn from a vein, collected in a metal-free tube, and analyzed in a laboratory using ICPMS method.
What is the normal range for selenium levels?
The normal range for selenium in blood is 70-150 mcg/L.
How much does the Selenium Serum Test cost in India?
The cost is INR 4500 at DNA Labs India, which includes free home sample collection.
Is home sample collection available for the Selenium Serum Test?
Yes, DNA Labs India offers free home sample collection in numerous cities across India.
How should I prepare for the Selenium Serum Test?
Avoid selenium supplements before the test. If contrast media was administered, wait 96 hours. No fasting is required.
What does a low selenium level indicate?
A low level (below 70 mcg/L) indicates selenium deficiency, which can lead to health issues like weakened immunity and cardiomyopathy.
What does a high selenium level indicate?
A high level (above 150 mcg/L) may indicate selenium toxicity, causing symptoms such as nausea, hair loss, and neurological problems.
How long does it take to get the results?
Results are typically available by the next day after sample collection.
Can selenium supplements affect the test results?
Yes, taking selenium supplements before the test can elevate levels and affect accuracy. Inform your doctor about any supplements.
Worried about the process? Our certified phlebotomists collect thousands of samples every month across India. The process takes under 5 minutes and is virtually painless. Questions? Message us on WhatsApp — we're here 7 days a week.

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