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Test Compendium

5244: METHYLPHENIDATE, SERUM/PLASMA

Test Code

  • 5244

Test Synonym

  • CONCERTA, MPH, RITALIN, RITALINIC ACID

Volume

  • 2 mL

Minimum Volume

  • 0.75 mL

Specimen Requirements

  • Serum Or Plasma

Container

  • Plain Red Top Tube, Lavender Top Tube

Storage

  • Frozen

Special Instructions

  • 2 mL Serum or Plasma Serum Red top tube; Plasma Lavender or Pink top tube

Additional Information

  • Sample should be collected 1 to 6 hours post dose. Serum: Collect sample in Red top tube Plasma: Collect sample in Lavender top tube (EDTA). Promptly centrifuge and separate Plasma into a plastic screw capped vial. DO NOT USE SST

Specimen Stability

  • AMB : not stable REFRIGERATED: not stable FR : 5 months