# Selenium, Serum or Plasma

> This test measures the amount of selenium, an essential mineral, in your blood. It helps show whether you have a nutritional deficiency or if you have been exposed to toxic levels of selenium through your job or supplements.

- Labcorp code: 716910
- Category: [Nutrients](https://picardo.health/labs/tests/nutrients.md)
- Sample: blood
- Labcorp turnaround: 2–4 days
- Collection: free at a Labcorp location, or $75.00 at home.
- Without a doctor: yes. People order it themselves, with no doctor's visit or referral.
- Price: shown on the review page its order link opens. Opening it orders nothing.
- Order link: https://app.picardo.health/labs/order?tests=716910&ref=assistant

## About ordering

People order for themselves, with no doctor's visit or referral, and results arrive in their Picardo account. Ordering is open to adults 18 and over in the US, except New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii and Maine. General health information, not medical advice.