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Test ID FMMTU Methylphenidate (Ritalin) & MTB, Urine

Method Name

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

Reporting Name

Methylphenidate and MTB, Ur

Specimen Type


Specimen Required

Collection Container: Random urine container

Specimen Volume: 10 mL

Collection Instructions:

  1. Collect 10mL random urine without preservative.
  2. Ship Frozen in a plastic container.

Specimen Minimum Volume

.3 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Urine Frozen 180 days

Reference Values

Reference Range:          Not Established

Units:    ng/mL


Day(s) and Time(s) Performed

Monday, Wednesday and Friday

Performing Laboratory

Medtox Laboratories, Inc.

CPT Code Information


LOINC Code Information

Test ID Test Order Name Order LOINC Value
FMMTU Methylphenidate and MTB, Ur Not Provided


Result ID Test Result Name Result LOINC Value
Z1210 Methylphenidate 3809-1
Z3542 Ritalinic Acid 33507-5

NY State Approved