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Test Code RIT Methylphenidate, Serum

Reporting Name

Methylphenidate (Ritalin)


Specimen Required


Submit only 1 of the following specimens:

 

Plasma

Draw blood in a green-top (sodium heparin) tube(s), plasma gel tube is not acceptable. Spin down and freeze immediately. Send 2 mL of sodium heparin plasma frozen in a plastic vial on dry ice.

 

Serum

Draw blood in a plain red-top tube(s), serum gel tube is not acceptable. Spin down and freeze immediately. Send 2 mL serum frozen in a plastic vial on dry ice.


Specimen Type

Varies

Specimen Minimum Volume

0.3 mL

Specimen Stability Information

Specimen Type Temperature Time
Varies Frozen 180 days

Day(s) and Time(s) Performed

Monday through Sunday

Performing Laboratory

Medtox Laboratories, Inc.

Method Name

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)

Reference Values

Reference Range: 5.0 - 20.0 ng/mL

CPT Code Information

80360

 

LOINC Code Information

Test ID Test Order Name Order LOINC Value
RIT Methylphenidate (Ritalin) 3807-5

 

Result ID Test Result Name Result LOINC Value
Z1121 Methylphenidate (Ritalin) 3807-5

Reject Due To

Hemolysis

NA

Thawing

Warm reject; Cold OK

Lipemia

NA

Icterus

NA

Other

NA