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Test Code C4 Complement C4

Specimen Required

Lithium Heparin Plasma Separator Tube (GREEN) or

Serum Separator Tube SST (YELLOW

CPT Code

86160

Specimen Handling & Stability

Handle and store specimens in stoppered containers to avoid contamination and evaporation.

 

Centrifuge specimens to remove the plasma/serum from the cellular material within 2 hours of collection.

 

Specimen Stability

*  Room Temperature: 1 day

*  Refrigerated: 7 days

*  Frozen: 4 weeks