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Chromogranin A

Methodology: Enzyme Immunoassay
Performed: Mon, Wed, Fri
Reported: Between 1 and 4 days

Specimen Required:
Collect: One 4 mL plain red.
Transport: Centrifuge and refrigerate until courier pickup.
Remarks: Separate serum from cells and refrigerate.
Unacceptable Conditions: Plasma. Icteric or lipemic samples.
Stability: After separation from cells: Ambient: 12 hours; Refrigerated: 1 week; Frozen: 1 year

CPT Code: 86316