Circulating Immune Complex Binding Assay, Serum (Referred Out) - Saskatoon
Discipline
Biochemistry
Overview
Description
- Fasting specimen is preferred
Alias
- Circulating Immune Complex
- C1Q Binding Assay
- C1Q Immune Complex
- Immune Complex C1Q
Specimen Information
Specimen types accepted
- Serum
Specimen collection container
- Preferred collection container: Gold (gel) 5.0mL
- Alternative collection container: Red (no additive) 6.0mL
Collection procedure
- Specimen must be centrifuged and serum aliquoted within 60 minutes and frozen within 24 hours
Required volume
- Optimal volume: 4.5 mL Full collection tube
- Minimum volume: 1.0 mL serum in two aliquots
(Submitting the minimum volume makes it impossible to repeat the test or perform confirmatory/reflex testing. In some situations, a minimum volume may require a second collection.)
Transport and stability
- Freeze serum within 24 hours
- Sent to referral lab frozen
Rejection criteria
- Received on clot more than 1 hour after collection
- Serum received not frozen more than 24 hours after collection
- Pathology and Laboratory Medicine Acceptance and Rejection Criteria
Testing Information
Relevant clinical history
- Rheumatoid factor may interfere with analysis, indicate if patient is positive for rheumatoid factor
Performance
Days/times performed
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Maximum laboratory time
- 25 days turn around time by testing laboratory
Other information
- Preferred specimen collection - Have patient collected at GDML PSC or a Hospital Test Centre, as specimen requires immediate processing
Last Updated: October 9, 2024