Complement Component 8
0099074
Ordering Recommendation
Follow-up test for complement activity screening when CH50 and AH50 are low or absent and high suspicion remains for complement deficiency.
Mnemonic
COMP 8
Methodology
Quantitative Radial Immunodiffusion
Performed
Varies
Reported
5-15 days  
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
Specimen Required
Patient Preparation
  
Collect
Plain red. Also acceptable: Lavender (EDTA).  
Specimen Preparation
Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.1 mL)  
Storage/Transport Temperature
Refrigerated.  
Unacceptable Conditions
  
Remarks
  
Stability
Ambient: 1 week; Refrigerated: 2 weeks; Frozen: 3 weeks  
Reference Interval
By report  
Interpretive Data
 
Note
 
CPT Code(s)
86160
Components
Component Test Code*Component Chart NameLOINC
0099074C8 Complement Component4509-6
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
 

Performed at Quest Diagnostics