About the COMPLEMENT 4 (C4)
Assist in diagnosis and monitoring related to complement 4 (c4).
Sample Required
Blood (venous sample).
Fasting Requirement
As advised by physician.
Why is this Test Done?
- Assist in diagnosis and monitoring related to complement 4 (c4).
- Evaluate response to treatment and disease progression.
General Reference Range
Reference ranges vary by lab, method, age, and sex. See your report for lab-specific intervals.
What Abnormal Results Mean
Abnormal values suggest possible underlying disease; interpret with clinical context and repeat/confirm as needed.





