Complement C4

Marker

Serum (preferred) or plasma

Autoimmune & Inflammation

2 providers available

Starting at

$25.98

Up to $44

Save up to $18

drsays

Lowest PriceOnline

Complement C4

Complement C4

Updated 7/24/2025

$25.98

Walk-In Lab

Online

Complement C4 Blood Test

The Complement C4 Blood Test monitors and diagnoses autoimmune disorders by measuring complement C4 levels in the blood.

Updated 7/22/2025

$44