# Cholinesterase, Plasma

> This test measures the activity of plasma cholinesterase, an enzyme in your blood that helps break down certain chemicals. It is primarily used to determine if your body can safely process specific muscle relaxants used during surgery or to detect recent exposure to organophosphate pesticides.

- Labcorp code: 160200
- Category: [Environmental Toxins](https://picardo.health/labs/tests/environmental-toxins.md)
- Sample: blood
- Labcorp turnaround: 2–4 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=160200&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.