C1r Level


Sunquest Code:C1RL  
Epic Code:LAB6260Epic Name:Complement C1r Level
Methodology:Radioimmunodiffusion
Turnaround Time:Specimens are sent to reference laboratory Mon-Thur; results are reported within 4 weeks.


Collection Instructions

Specimen:Blood
Optimal Volume:2 mL
Minimum\Peds Volume:0.7 mL
Container:Purple (EDTA)
Causes for Rejection:Thawed specimen. Samples store at -20°C. Gel barrier tubes are not acceptable.


Processing and Shipping

Specimen Processing:Centrifuge and aliquot plasma within 30 minutes of collection, 1 mL, 0.25 mL. Store on dry ice or at -70°C.
Shipping Instructions:Ship overnight on dry ice.
Stability:1 year if frozen at -70°C.
Test Performed at or Referral Lab Lab Sendouts  (National Jewish Health)
Referral Lab number:C1RL


Interpretive

Reference Range:61-162% of STD


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