# Renin Activity, Plasma

> This test measures the activity of renin, an enzyme released by your kidneys that helps control blood pressure and fluid balance. It is frequently used to investigate the underlying cause of high blood pressure that is difficult to control.

- Labcorp code: 002006
- Category: [Hormones](https://picardo.health/labs/tests/hormones.md)
- Sample: blood
- Labcorp turnaround: 4–7 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=002006&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.