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Test Compendium

Test Name

  • METHYLPHENIDATE, SERUM/PLASMA

Test Code

  • 5244

Test Synonym

  • CONCERTA, MPH, RITALIN, RITALINIC ACID

Minimum Volume

  • 0.75 mL

Specimen Type

  • Serum Or Plasma

Primary Container

  • Plain Red Top Tube, Lavender Top Tube

Transport Temp

  • Frozen

Specimen Requirements

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

Specimen Retention

  • 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