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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.

Mnemonic
COMP 7
Methodology
Quantitative Radial Immunodiffusion
Performed
Varies
Reported
4-11 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
 
Collect
Plain red. Also acceptable: Lavender (EDTA) or white (PPT) 
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 NameLOINC
0099073Complement Component 74508-8
* 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
  • C7

Performed at Quest Diagnostics