Test Code C4A Complement C4
Specimen Requirements
Container/Tube: Gold Top Tube(s), Serum gel tube(s)
Specimen Volume: 1 mL of serum
Collection Instructions:
Note: Label specimen appropriately.
Specimen Transport Temperature
Ambient
Performing Laboratory
The Valley Hospital
Reference Values
12.0-36.0 mg/dL for adults
Test Classification and CPT Coding
86160