# Transferrin

> This test measures the amount of transferrin, a protein in your blood that attaches to iron and carries it throughout your body. It helps show whether your body has too little or too much iron, which is often checked when investigating fatigue or weakness.

- Labcorp code: 004937
- Category: [Nutrients](https://picardo.health/labs/tests/nutrients.md)
- Sample: blood
- Labcorp turnaround: 1–2 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=004937&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.