Gabapentin

Overview

  • EPIC Code:
  • LAB470
  • Soft Test Code:
  • GABP
  • Send Out Test Code:
  • 3557
Alternate Names
  • Gabapentin Level
  • Neurontin
Clinical Significance

Gabatin is an anticonvulsant drug commonly used as adjunctive therapy to treat partial seizures. Therapeutic drug monitoring is useful to optimize dose and avoid toxicity.


Specimen Collection & Preparation

Specimen Requirements

1.0 mL Serum from a Red Top Tube in a Plastic Vial


Transport And Storage

5 days Ambient (transport)
12 days Refirgerated
1 month Frozen


Collection Instructions

 


Minimum Volume

0.5 mL Serum


Neonatal Volume

Clinical Interpretation

Reference Range:

2.7 - 4.1 mcg/mL (peak) following a single dose of 900-1800 mg/day.

4.0 - 8.5 mcg/mL (peak) following a mulitple dose of 900-1800 mg/day administration.


Test Comments:

The reference range is evolving. Seizure control has been observed at levels in excess of 4 mcg/mL.


Methodology:
  • Mass Spectrometry (MS)
Clinical Significance

Gabatin is an anticonvulsant drug commonly used as adjunctive therapy to treat partial seizures. Therapeutic drug monitoring is useful to optimize dose and avoid toxicity.


Production Schedule

Sites Performed
  • Quest - Chantilly
Days Performed
Monday
Tuesday
Wednesday
Thursday
Friday
Departments
  • Sendouts - Clinical
Turn Around Time

3 to 5 days


Coding & Compliance

CDM

00910395


CPT Coding

80171