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Alias Names: C3
Methodology: Nephelometry (NEPH)
Edit Date: 4/18/2010
Performed: Daily
Released: Same day as tested
CPT Code: 86160
Specimen Collection Details
Collection: One 7.5 mL serum separator tube(SST). Also acceptable: One 5 mL red top tube.
Handling: Allow to clot for 30 minutes to one hour at 20-25° C. Do not clot at 2-8° C. Centrifuge and separate serum from cells within one hour. Freeze immediately at -20° C. Do not allow to thaw.
Stability: Specimen stable 1 year at -20° C.
Standard Volume: 1 mL serum.
Minimum Volume: 0.5 mL serum.
Transport: Frozen on dry ice.
Comments: Complement is a group of proteins which destroy infectious agents. Measurements of these proteins aid in the diagnosis of immunologic disorders, especially those associated with deficiencies of complement components.
Rejection Criteria: Specimen allowed to clot at 2-8° C; plasma; gross hemolysis; specimen frozen or thawed more than once.

Reference Range:
60-184 mg/dL

PeaceHealth Laboratories