Specimen Requirements
Title
C8 Complement, Functional Serum
Specimen Requirement
Fasting is preferred.
Collect a red top, place tube on wet ice immediately after collection, centrifuge, transfer 1.0 mL serum to an amber screw top plastic vial, indicate sample type on tube and send on dry ice.
Critical frozen. Protect from light.
Methodology
Automated Liposome Lysis Assay
Stability
Room temp/Refrigerated: Unacceptable, Frozen: 14 days
Reference Range
The reference range is determined by the performing laboratory and will show on the report.
Turnaround
4-6 days performed Monday-Friday
Clinical Use
Diagnosis of C8 deficiency
Investigation of a patient with an undetectable total hemolytic complement level
Test Code
C8