# Interleukin-2, Plasma

> This test measures the level of Interleukin-2 (IL-2), a protein in your blood that signals white blood cells to grow and fight infections. It helps show how active your immune system is, which is useful when evaluating conditions involving chronic inflammation or autoimmune disorders. While these results help distinguish between an overactive immune response and a suppressed one, this test cannot identify the specific cause of the immune activity or diagnose a disease by itself.

- Labcorp code: 140812
- Category: [Immune Regulation](https://app.picardo.health/labs/tests/immune-regulation.md)
- Price: shown at checkout, before payment.
- Blood draw: free at a Labcorp location, or $75.00 at home.
- Order link: https://app.picardo.health/labs/order?tests=140812&ref=assistant

## About ordering

A licensed physician reviews every order before any test is run, and results arrive in the person's 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.