Abbrev Code:XMISC   
Order Code:LAB4909Order Name:Methylphenidate
Methodology:Liquid Chromatography/Tandem Mass Spectrometry
CPT Codes: 80360 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Fri; results are reported within 3 days.

Collection Instructions

Optimal Volume:4 mL
Minimum\Peds Volume:1.2 mL
Container:Red (no gel)
Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel)
Collection Instructions:Peak levels occur at 1-3 hours post-dose; trough levels often not detectable.
Causes for Rejection:Specimen received unfrozen.

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 2 mL, 0.5 mL minimum. Freeze immediately.
Shipping Instructions:Ship on dry ice.
Stability:Room temperature or refrigerated unacceptable; 14 days frozen.
Test Performed at or Referral Lab Lab Sendouts  (MedTox)
Referral Lab number:79


Reference Range:5.0-20.0 ng/mL

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