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Complement Component Level 4a

CPT Code(s): 86160
Specimen Required: Patient Preparation:
Collect:Lavender (EDTA).
Specimen Preparation:Separate from cells within 1 hour of draw. Transfer 1 mL plasma to an RDL Standard Transport Tube. Freeze at-70°C or on dry ice immediately. (Min: 0.5 mL)
Storage/Transport Temperature:CRITICAL FROZEN.  Separate specimens must be submitted when multiple tests are ordered.
Stability:Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: Frozen at -70°C: 1 year
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • C4A (Complement Component 4A)
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