CPT Code: 83915 Order Code: 14624 ABN Requirement: No Alternative Name(s): 5′-NT Specimen: Serum Volume: 1.0 mL Minimum Volume: 0.2 mL Container: Gel-barrier tube (SST) Collection: Collect and label sample according to standard protocols. Gently invert tube 5 times immediately after draw. Do not shake tube. Allow blood to clot 30 minutes. Centrifuge for 10 minutes. Transport: Refrigerated: Store more »