Selenium (Serum) Blood Test

Compare labs

Feature	Labcorp	Quest Diagnostics
Price	Coming soon	$42.99
Results in	—	~5 business days
Sample type	—	Blood Serum
Require fasting	—	No

About the test

Selenium is an element of parenteral nutrition. Monitoring the Selenium concentration is useful in assessing parenteral nutrition, especially recent intake. Concentrations are also monitored in children with propionic acidemia who require special diets with supplements.

Included biomarkers & Reference ranges

Biomarker	Reference range
Selenium Measures selenium, a trace mineral important for thyroid function and antioxidant defense.	—

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

Preparation

Avoid taking vitamins or mineral supplements at least three days prior to collection.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

Book a specialist