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351 COMPLEMENT 3 (C3)
Test CodeC3
Preferred Specimen
1 mL serum
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: Unacceptable
Refrigerated: 4 days
Frozen: 8 days
Refrigerated: 4 days
Frozen: 8 days
Methodology
Immunoturbidimetric
Setup Schedule
Set up: Sun-Fri; Report available: 1-3 days
Clinical Significance
Decreased C3 may be associated with acute glomerulonephritis, membranoproliferative glomerulonephritis, immune complex disease, active systemic lupus erythematosis, and generalized autoimmune processes.