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Immune Complex, C3 Fragments

Order Name C3 Fragments
Test Number: 6907547
Revision Date 05/16/2022
Test Name Methodology LOINC Code
Immune Complex, C3 Fragments
Semi-Quant IFA/Semi-Quant ELISA 10864-7 
Specimen Specimen Volume (min) Specimen Type Specimen Container Transport Environment
Preferred 1 mL ( 0.5 mL) Serum Clot Activator SST Frozen
Instructions Collect: Plain red or Serum separator tube (SST)
Specimen Prep: Allow complete clotting of red blood cells (up to 1 hour), then separate serum from cells within 30 minutes and freeze immediately.
Transfer 1mL (0.5mL) of serum to a pour off tube.
If ordered in conjunction with a C1q Binding Assay, submit 2 separate 1mL aliquots of serum.
CRITICAL FROZEN! Separate specimens must be submitted when multiple tests are ordered.
Unacceptable: Non-frozen specimens. Specimens exposed to repeated freeze/thaw cycles. Grossly hemolyzed, lipemic and icteric specimens.
Stability: Ambient-Unacceptable; Refrigerated-Unacceptable; Frozen- 20 days
Testing Schedule Sat, Mon, Thur 
Expected TAT 2-9 days after set-up  
Clinical Use Reference Lab: ARUP
Test Code: 3004431
Click Here to view information on the ARUP website. 
CPT Code(s) 86332
Lab Section Reference Lab