C4a Level by RIA
Quest Diagnostics
Sample type: Plasma
Requires fasting: No
Phlebotomy required
Details
This test measures the level of C4a in the blood, which is an important part of the immune system's response. This test can help in understanding conditions related to the immune system and inflammation.
- C4a
Estimated days for results: Results should be available in 2 - 5 business days after the sample is collected
2–5 business days
- Infectious Disease
- Autoimmune
Minimum age:
18
State restrictions:
Patient can't order this test if they are located in Puerto Rico




