Complement C3, Serum (C3 Serum)

Tube Type = Gold and Red top

Tube Type

Test ID LAB152
EPIC ORDER C3 COMPLEMENT
CPT Code(s) 86160
Group/Individual Test Individual 
Laboratory Core Laboratory
Tube Station 30; STAT 888
Specimen Routine: 2 ml blood/gold SST tube/red top also acceptable
Micro: 300 µL blood/serum separator bullet/red top
Stability Unspun: 2 hours
Spun/Separated, 

Room Temp:

 8 hours
Spun/Separated, 

Refrigerated:

 3 days
 

Spun/Separated, Frozen:

 21 days
Availability Routine:

24 hours
STAT: Yes
Turnaround Time 2 hours
Reference Range:
Patient Age C3, mg/mL
0-2 months 58-108
2-3 months 67-124
3-6 months 74-138
6-9 months 78-144
9 months-10 years 80-150
10-18 years 85-160
18-20 years 82-160
20-30 years 84-160
30 years + 90-170



Reviewed by J. Carr on January 13, 2026

UNC Hospitals
McLendon Clinical Laboratories
101 Manning Drive
Chapel Hill, NC 27514