Complement C3
Complement C3 is an essential sentinel of innate immunity, binding foreign invaders to promote swift immune clearance.
Test your personal value
Enter the number from your lab report to instantly see how it compares to reference ranges.
Physiological Reference Ranges
The ranges below represent standard adult physiological values. Your laboratory's printed reference range always takes precedence.
0.8 – 1.6 g/L
0.8 – 1.6 g/L
0.8 – 1.6 g/L
What does a low result mean?
A modest dip may suggest temporary consumption during an active immune or inflammatory response.
What does a high result mean?
A slightly elevated level is common and reassuring during minor inflammation as a liver acute-phase reactant.
Questions ready for your doctor
Bring these questions to your next consultation to discuss with your healthcare practitioner:
- Does this align consistently with complement C4 and CRP?
- Is a follow-up test after symptom resolution adequate?
- Is this result generally reassuring?
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Important information — Medical notice
ScanMyLab is for informational purposes only. It does not provide a diagnosis and never replaces the advice of your doctor or laboratory.