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HelpTest Code LAB470 Gabapentin
Clinical System Name
Gabapentin Level
Synonyms
Neurontin
Gabapentin
Sample Requirements
Specimen: Whole blood
Container(s): Gold SST, Gold Microtainer, Lt. Green/Li Heparin Microtainer, Dark Green/Sodium Heparin, Red
Preferred Vol: 1 mL
Minimum Vol: 1 mL
Note: Volume can be shared with Levetiracetam (Keppra), Oxcarbazepine, Topiramate, Lamotrigine (Lamictal), Lacosamide, Zonisamide, and Rufinamide.
Processing Instructions
Reject due to:
Spin: Y
Aliquot: Y
Temp: 2-8 C
Storage location: Refrigerate serum or plasma with labels in CPA refrigerator, FrigE rack. May be stored in same tube with Clobazam, Levetiracetam (Keppra), Oxcarbazepine, Topiramate, Lamotrigine (Lamictal), Lacosamide, Zonisamide, and Rufinamide. (0.5 mL min).
Off-site collection: Spin blood; refrigerate or freeze serum/plasma in plastic aliquot tube.
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| serum or plasma on gel separator | Room temp | 2 h |
| separated serum or plasma | Room temp | 2 d |
| Refrigerated | 6 w | |
| Frozen | 3 m |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | T, Th, Su (run overnight, result available next day) | 2 - 4 d |
Performing Laboratory
Seattle Children's Laboratory
Department
Department: Chemistry
Location: Chem West
Phone Number: 206-987-2617
CPT Codes
80171
Methodology
Method: LC/MS/MS
Analytical Volume: 0.3 mL serum or plasma
Limitations:
Reference Range
Therapeutic range: 10 - 20 microg/mL