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Test Code TGSU Targeted Gabapentinoid and Stimulant High-Resolution Accurate Mass Spectrometry Screen, Random, Urine


Additional Testing Requirements


In most cases, no additional testing is needed after the qualitative targeted stimulant test is performed if the parent drug or metabolites found are consistent with the patient's prescribed medications. However, if an unexpected stimulant is found, confirmatory testing can be requested at an additional charge.



Specimen Required


Supplies: Sarstedt Aliquot Tube 5 mL (T914)

Collection Container/Tube: Plastic urine container

Submission Container/Tube: Plastic vial

Specimen Volume: 1 mL

Collection Instructions:

1. Collect a random urine specimen.

2. No preservative


Profile Information

Test ID Reporting Name Available Separately Always Performed
LPPS List prescribed stimulants No Yes
TSIM Gabapentinoid/Stim MS Screen, U No Yes

Method Name

Liquid Chromatography Tandem Mass Spectrometry, High-Resolution Accurate Mass (LC-MS/MS HRAM)

Specimen Type

Urine

Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time
Urine Refrigerated (preferred) 14 days
  Frozen  28 days

Reject Due To

Gross hemolysis OK
Gross icterus Reject

Day(s) Performed

Monday through Sunday

Performing Laboratory

Mayo Clinic Laboratories in Rochester

Test Classification

This test was developed and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. It has not been cleared or approved by the US Food and Drug Administration.