Complement Component C2


Sunquest Code:C2  
Epic Code:LAB153Epic Name:Complement C2
Synonyms:C2
Methodology:Radial immunodiffusion
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 5-9 days.
Compliance:

This test was developed and its performance characteristics determined by ARUP Laboratories. The U.S. Food and Drug Administration has not approved or cleared this test; however, FDA clearance or approval is not currently required for clinical use. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions.



Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.8 mL
Container:Red or gold (gel) (Red (no gel))
Causes for Rejection:Non-frozen specimens. Specimens exposed to repeated freeze/thaw cycles. Specimens left to clot at refrigerated temperature.


Processing and Shipping

Specimen Processing:Allow specimen to clot 60 minutes at room temperature. Centrifuge and aliquot 1 mL, 0.3 mL minimum. Requires separate aliquot. Freeze within 2 hours.
Shipping Instructions:Ship on dry ice.
Stability:After separation from cells: 2 hours at room temperature; 2 weeks frozen.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:50148


Interpretive

Reference Range:1.6-4.0 mg/mL
Decreased C2 levels may be associated with increased susceptibility to infection (especially pneumococcal infections), systemic lupus erythematous-like disease, rashes, arthritis, nephritis, and with C1-Esterase deficiency. Increased C2 levels are associated with the acute phase response.


Click HERE to Report test errors or omissions.
*If no email program is associated with this computer, please contact:
systemlabguide@fairview.org for TestID: 1290"