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Test ID BLOD0396 Methylphenidate

AKA

Ritalin

Concerta

Container Type

serum w/out gel
lithium heparin w/out gel
sodium heparin w/out gel

Specimen Type/Requirements

Serum
Heparinized plasma

Specimen Volume

2.0 mL

Stability

Room Temp: NA
Refrigerated: NA
Frozen only

Interfering Substances

Hemolysis: NA
Lipemia: NA

Transport Temperature

Frozen

Instructions

Freeze Immediately.
Peak levels occur at 1-3 hours post dose.
Trough levels are often not detectable.

Performed Test Frequency

Monday through Sunday

Methodology

LC/MS/MS

CPT

80360 AMA
82542 Medicare

Performing Lab

Medtox

Analytical Time

5 days