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Individual test · Labcorp 006452

Complement C3

This test measures the level of Complement C3, a protein that helps your immune system fight infections. It helps show if your immune system is currently overactive or being used up too quickly due to inflammation. Doctors often use these results to help evaluate autoimmune disorders like lupus or kidney inflammation. However, this test cannot diagnose a specific condition on its own and must be reviewed alongside other symptoms.

How ordering works

  1. 1

    Review the order and pay on Picardo. Your account is set up as you check out.

  2. 2

    A licensed physician reviews the order and decides whether to authorize it.

  3. 3

    Give blood at a Labcorp location, or book an at-home draw for $75.00.

  4. 4

    Your results arrive in your Picardo account.

For adults 18+ in the US. Lab orders aren’t available in New York, New Jersey, Rhode Island, Pennsylvania, Maryland, Massachusetts, Hawaii or Maine.