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Methylphenidate and Metabolite Quantitative, Serum or Plasma
3000253
Ordering Recommendation

Monitor patient adherence.

Mnemonic
METHYL SP
Methodology
Quantitative High Performance Liquid Chromatography-Tandem Mass Spectrometry
Performed
Varies
Reported
3-10 days
New York DOH Approval Status
This test is New York DOH approved.
Submit With Order
ARUP Consult®
Disease Topics
Specimen Required
Patient Preparation
Collect specimen 1-6 hours post dose. 
Collect
Plain Red, Lavender (EDTA), or Pink (K2EDTA). 
Specimen Preparation
Separate from cells ASAP or within 2 hours of collection. Transfer 2 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.7 mL) 
Storage/Transport Temperature
CRITICAL FROZEN. Separate specimens must be submitted when multiple tests are ordered. 
Unacceptable Conditions
Separator tubes. 
Remarks
 
Stability
Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 5 months 
Reference Interval
By report
Interpretive Data


Note
Hotline History
View Hotline History
CPT Code(s)
Components
Component Test Code*Component Chart NameLOINC
3000254Methylphenidate, Serum/Plasma3807-5
3000255Ritalinic Acid, Serum/Plasma32153-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
  • Attenade
  • Concerta
  • Daytrana
  • Dexmethylphenidate
  • Focalin
  • Ritalin

Performed at National Medical Services (NMS)