Complement C3/C4

Test Code
C3/C4


CPT Codes
86160 x2

Includes
Complement C3 and Complement C4


Preferred Specimen
Preferred: 1.0 ml of whole blood (0.5 mL of serum/plasma)


Minimum Volume
0.6 mL of whole blood (0.3 mL of serum/plasma)
 


Instructions
Fasting specimens preferred. Separate from cellular material within 2 hours.


Transport Container
Serum Separator (gold top), Lithium Heparin (green or mint top)


Transport Temperature
Room Temperature


Specimen Stability
Room Temperatue: 1 day
Refrigerated: 3 days
Frozen: 4 weeks at -20 degrees C


Methodology
Blanked Endpoint


Setup Schedule
Daily


Report Available
Specimens received by noon will be reported by 4:30 p.m.  Specimens received after noon will be reported by the next morning.




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.