Follow-up test for complement activity screening when CH50 and AH50 are low or absent and high suspicion remains for complement deficiency.
Quantitative Radial Immunodiffusion
This test is New York DOH approved.
- Patient Preparation
- 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.
- Ambient: 48 hours; Refrigerated: 2 weeks; Frozen: 1 month
|Component Test Code*||Component Chart Name|
|0099073||Complement 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.
Performed at Quest Diagnostics