C4 Complement Test
1
General Health
C4 is critical to activation of classical pathway.
What is this test?
Decreased levels are seen in patients with SLE, Immune Complex disease and Hereditary angioedema. Congenital deficiency of C4 increases the risk of recurrent bacteremia especially S.pneumoniae. This assay is useful in the diagnosis of C4 deficiency and for investigation of a patient with an undetectable Total complement (CH50) level.
C4 Complement Test is offered as a lab test. Follow preparation instructions if any, and consult your doctor to interpret results.
Test Included (1) Parameters
- Complement Protein Concentration (C4)
Preparation Required
Drink water to stay hydrated
Continue regular medication unless advised
Inform phlebotomist if pregnant
No fasting required
How it Works
- Select Test: Choose a lab test or add more tests/packages.
- Pick Collection Slot: Select a time and address for home sample collection.
- Sample Collected & Reports Delivered: Reports will be available online within 24 hours.