# Insulin, Free and Total

> This test measures the amount of active "free" insulin in your blood compared to the total amount, which includes insulin bound to antibodies. It is primarily used for patients on insulin therapy to determine if the body's immune system is trapping the medication and preventing it from working.

- Labcorp code: 501561
- Category: [Hormones](https://picardo.health/labs/tests/hormones.md)
- Sample: blood
- Labcorp turnaround: 5–12 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=501561&ref=assistant

## Results reported (2)

- Free Insulin
- Total Insulin

## 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.