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Tumor Necrosis Factor – alpha

CPT Code(s): 83520
Specimen Required: Patient Preparation:
Collect:Serum separator tube, plain red, or green (lithium heparin).
Specimen Preparation:Separate serum or plasma from cells ASAP or within 2 hours of collection. Transfer 1 mL serum or plasma to an RDL Standard Transport Tube. (Min: 0.3 mL)
Storage/Transport Temperature:CRITICAL FROZEN. Additional specimens must be submitted when multiple tests are ordered.
Stability:After separation from cells: Ambient: 30 minutes; Refrigerated: Unacceptable; Frozen: 1 year
New York DOH Approval Status: This test is New York DOH approved.
Aliases:
  • CachectincytokinecytokinesTNF AlphaTNF-alphaTNFa
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