METHYLPHENIDATE

Test Documentation
Specimen Required
Draw blood in a plain red-top tube. Centrifuge, separate and send 2.0 mL serum (1.0 mL minimum) frozen in a screw-capped plastic vial. CRITICAL FROZEN. Sample should be collected 1-6 hours postdose.

Alternate Specimen
Plasma: EDTA

Rejection Criteria
SST tube

Methodology
Liquid Chromatography/Mass Spectrometry

Stability
Room Temperature: Unacceptable; Refrigerated: Unacceptable; Frozen: 5 months

Reference Range
By report

Performed
Tuesday

Turnaround Time7-10 days
Test CodeMPDR
CPT-4 Code (s)
80360 (80299)
LOINC Codes
3807-5

Warde
Medical
Laboratory