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Orderable Name 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


Useful For

Determining compliance or identifying illicit stimulant drug use

 

This test is not intended for employment-related testing.

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

Reference Values

Not detected (Positive results are reported with qualitative "Present" results)

 

Cutoff concentrations:

Methamphetamine: 100 ng/mL

Amphetamines: 100 ng/mL

3,4-Methylenedioxymethamphetamine (MDMA): 100 ng/mL

3,4-Methylenedioxy-N-ethylamphetamine (MDEA): 100 ng/mL

3,4-Methylenedioxyamphetamine (MDA): 100 ng/mL

Ephedrine: 100 ng/mL

Pseudoephedrine: 100 ng/mL

Phentermine: 100 ng/mL

Phencyclidine (PCP): 20 ng/mL

Methylphenidate: 20 ng/mL

Ritalinic acid: 100 ng/mL

Gabapentin: 500 ng/mL

Pregabalin: 500 ng/mL

Day(s) Performed

Monday through Sunday

Report Available

3 to 4 days

CPT Code Information

G0480

80326 (if appropriate for select payers)

Clinical Toxicology CPT Code Client Guidance