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Epic Code LAB3595 Methylphenidate Urine Level

Test Name Alias

Methylphenidate Urine Confirmation | LCMS | Ritalin | 997

Interface Order Alias

55028

Collection Instructions

Specimen Collection: Urine

 

Container(s):  Sterile Urine Cup / Plastic screw-top transport tube

Uscreen and iSCREEN POC (Point of Care) urine drug testing cups are acceptable but not preferred

Preferred Volume to Collect: 10.0 mL

Minimum Volume to Collect: 1.0 mL

 

Collection Instructions:

  • Urine specimen must be collected on site at lab or office. Do not send collection container home with patient.
  • Keep container upright at all times and check that lid is fastened evenly and securely.
  • Detailed Instructions (link): Urine Collection Guide for Staff

 

Processing Instructions (Laboratory, Outpatient or Off-site collection)

  • Transport Temperature: Refrigerate

Specimen Stability

Ambient: 72 hours

Refrigerate: 14 days

Frozen: 365 days

Laboratory Retention: 10 days

Test Frequency

Available Monday through Friday, day shift. TAT 2 – 3 days

Reference Range

A urine Methylphenidate result of  < 10 is a NEGATIVE result (10 ng/mL is the lower reporting limit for this LCMS confirmation assay). 　Values reported ≥ to 10 should be interpreted as POSITIVE.

 

A urine Methylphenidate metabolite (Ritalinic acid) result of  < 50 is a NEGATIVE result (50 ng/mL is the lower reporting limit for this LCMS confirmation assay). 　Values reported ≥ to 50 should be interpreted as POSITIVE.

Performing Department

Toxicology

Performing Department Laboratory Location

Corewell Health Reference Laboratory, Grand Rapids, MI

Methodology

Liquid Chromatography-Mass Spectrometry

 

This test was developed and its performance characteristics determined by Spectrum Health Toxicology Laboratory. It has not been cleared or approved by the FDA. The laboratory is regulated under CLIA as qualified to perform high-complexity testing. This test is used for clinical purposes. It should not be regarded as investigational or for research.

 

 

CPT

80360, G0480

CDM Code

3018036002

Epic Test ID

1230100935

LOINC

Methylphenidate LC/MS Conf: 3808-3

Mayo Access Code

SHO55028

Reviewed Date

2/15/2023