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Test Code GABA Gabapentin, Serum


Specimen Required


Container/Tube: Red top

Specimen Volume: 1 mL

Collection Instructions:

1. Draw specimen immediately before next scheduled dose.

2. Spin down within 2 hours of draw.


Forms

If not ordering electronically, complete, print, and send a Neurology Specialty Testing Client Test Request (T732) with the specimen.

Useful For

Monitoring serum gabapentin concentrations   Assessing compliance   Adjusting dosage in patients

Method Name

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

Reporting Name

Gabapentin, S

Specimen Type

Serum Red

Specimen Minimum Volume

0.2 mL

Specimen Stability Information

Specimen Type Temperature Time
Serum Red Refrigerated (preferred) 28 days
  Ambient  28 days
  Frozen  28 days

Reject Due To

Hemolysis

Mild OK; Gross OK

Lipemia

Mild OK; Gross OK

Icterus

Mild OK; Gross OK

Other

Serum gel tube or whole blood

Reference Values

2.0-20.0 mcg/mL

 

Toxic Range: ≥25.0 mcg/mL

Day(s) and Time(s) Performed

Tuesday through Saturday; 12 a.m.,

Saturday; 4 p.m.

Analytic Time

Same day/1 day

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. This test has not been cleared or approved by the U.S. Food and Drug Administration.

CPT Code Information

80171

LOINC Code Information

Test ID Test Order Name Order LOINC Value
GABA Gabapentin, S 9738-6

 

Result ID Test Result Name Result LOINC Value
80826 Gabapentin, S 9738-6