# Citric Acid (Citrate), 24-Hour Urine

> This test measures the amount of citrate in urine collected over a 24-hour period. Citrate is a substance that naturally prevents calcium crystals from clumping together to form kidney stones.

- Labcorp code: 016865
- Category: [Bone Health](https://picardo.health/labs/tests/bone-health.md)
- Sample: urine
- Labcorp turnaround: 2–7 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=016865&ref=assistant

## Results reported (2)

- Citric Acid, Urine
- Citric Acid, U, 24hr

## 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.