Complement Component 7
0099073
Ordering Recommendation
Follow-up test for complement activity screening when CH50 and AH50 are low or absent and high suspicion remains for complement deficiency.
Submit With Order
Mnemonic
COMP 7
Methodology
Quantitative Radial Immunodiffusion
Performed
Varies
Reported
4-12 days
New York DOH Approval Status
This test is New York DOH approved.
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. Also acceptable: Frozen  
Unacceptable Conditions
Grossly hemolyzed or severely lipemic specimens. Room temperature specimens.  
Remarks
 
Stability
Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month  
Reference Interval
By report
Interpretive Data
Note
CPT Code(s)
86160
Components
Component Test Code*Component Chart Name
0099073Complement Component 7
* 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.
Cross References
  • C7
Performed at Quest Diagnostics