Ordering Recommendation

Useful for general testing in contexts of compliance and/or abuse. Preferred test to follow-up presumptive results.

Mnemonic
GABAP U
Methodology

Quantitative Liquid Chromatography/Tandem Mass Spectrometry

Performed

Mon, Wed, Sat

Reported

1-6 days

New York DOH Approval Status
This test is New York DOH approved.
Specimen Required
Patient Preparation
Collect

Random urine.

Specimen Preparation

Transfer 1 mL urine to an ARUP Standard Transport Tube. (Min: 0.6 mL)

Storage/Transport Temperature

Refrigerated.

Unacceptable Conditions
Remarks
Stability

Ambient: 1 month; Refrigerated: 1 month; Frozen: 1 month

Reference Interval

By report

Interpretive Data

Positive cutoff: 5.0 µg/mL

For medical purposes only; not valid for forensic use.

The absence of expected drug(s) and/or drug metabolite(s) may indicate non-compliance, inappropriate timing of specimen collection relative to drug administration, poor drug absorption, diluted/adulterated urine, or limitations of testing. The concentration value must be greater than or equal to the cutoff to be reported as a quantitative result. Interpretive questions should be directed to the laboratory.

This test was developed and its performance characteristics determined by ARUP Laboratories. It has not been cleared or approved by the US Food and Drug Administration. This test was performed in a CLIA certified laboratory and is intended for clinical purposes.

Compliance Category

Laboratory Developed Test (LDT)

Note
Hotline History
N/A
CPT Codes

80355 (Alt code: G0480)

Components
Component Test Code* Component Chart Name LOINC
2012228 Gabapentin, Urine 59680-9
* Component test codes cannot be used to order tests. The information provided here is not sufficient for interface builds; for a complete test mix, please click the sidebar link to access the Interface Map.
Aliases
Gabapentin, Urine