# Interleukin-8, Plasma

> This test measures the level of Interleukin-8 (IL-8), a protein in your blood that signals immune cells to move toward areas of infection or injury. It helps doctors evaluate the intensity of inflammation in the body, which is useful for monitoring severe infections or chronic immune conditions.

- Labcorp code: 140818
- Category: [Immune Regulation](https://picardo.health/labs/tests/immune-regulation.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=140818&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.