# T3 Uptake

> This test measures the available space on proteins in your blood that carry thyroid hormones. It is usually paired with a T4 test to calculate how much thyroid hormone is free for your body to use, which helps evaluate if your thyroid is overactive or underactive.

- Labcorp code: 001156
- Category: [Thyroid](https://picardo.health/labs/tests/thyroid.md)
- Sample: blood
- Labcorp turnaround: within 1 day
- 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=001156&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.