Complement C4, Serum (C4, Serum)
Tube Type
| Test ID |
LAB151 |
| EPIC Order |
C4 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 plain tube also acceptable |
| Micro: |
300 µL blood/serum separator bullet/red Top |
| Stability |
Unspun: |
Unspun: 2 hours |
Spun/Separated,
Room Temp: |
8 hours |
Spun/Separated,
Refrigerated: |
7 days |
Spun/Separated,
Frozen: |
90 days |
| Availability |
Routine: |
24 hrs |
| Turnaround Time |
2 hours |
| Reference Range |
12.0-36.0 mg/dL |
| Comments |
Reference Range effective 7/13/2021 |
Reviewed by J. Carr on January 13, 2026
