GABAPENTIN, PLASMA OR SERUM
Marquette General Health System

General Info

HLAB/HOL Code

  NEUR

MGH LIS Test No

  899

Schedule

  Monday and Thursday

Testing Time

  2 - 4 days

Testing Lab

  Warde Medical Laboratories

QORR Test Code

  NEUR

Specimen Info

Type

  1 Red Top  

Volume

  1.0 mL serum

Temperature

  Refrigerate

Preservative

   

Collection Info

  SUBMIT ONLY 1 OF THE FOLLOWING SPECIMENS:

Serum:
1 Red Top/ 1 mL serum (0.5 mL minimum).  Do not collect in serum separator tube. 
Separate and refrigerate serum.

Plasma:
EDTA, Heparin, Flouride, Oxalate
1 mL plasma (0.5 mL minimum).  Separate and refrigerate plasma.

 

Type

  1 EDTA  

Volume

  1.0 mL plasma

Temperature

  Refrigerate

Preservative

   

Collection Info

   
 
Specimen Acceptability

Methods
High Performance Liquid Chromatography (HPLC)

Clinical Utilities

CPT Codes
80299

The CPT codes provided are based on AMA guidelines
and are for informational purposes only. CPT coding is the
sole responsibility of the billing party. Please direct any questions
regarding coding to the payer being billed.

Reference Range
Gabapentin (Neurontin) therapeutic range:  2.0-12.0 mcg/mL.

The reported threshold for seizure control is >2.0 mcg/mL which is usually achieved with 1200 mg/day.  Dosage up to 3600 mg/day have been safely tolerated.

Component Information

Collection Notes

Additional Comments

 

Questions or Comments email support@mgh.org

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