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Geisinger Medical Laboratories Test Catalog
GABAPENTIN |
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Geisinger Epic Procedure Code: LAB2753
Geisinger Epic ID: 43553
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SPECIMEN COLLECTION |
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Specimen type: |
Serum (preferred) or plasma | |
Preferred collection container: |
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Alternate Collection Container: |
4 mL green/green-top (sodium heparin) tube
3 mL green/black top lithium heparin tube
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Specimen required: |
1 mL aliquot of serum or plasma; minimum 1 mL. | |
Special notes: |
Do not use gel barrier tubes. | |
Patient preparation: |
Draw sample two hours after last dose at steady state. | |
| SPECIMEN PROCESSING |
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Specimen processing instructions: |
Centrifuge blood at 15-30 degrees C and 2000-2200 rpm (800-1000 x g) for 5-6 minutes. Separate plasma from cells as soon as possible. Pipette or pour plasma into polypropylene or polyethylene tubes. | |
Transport temperature: |
Refrigerated (preferred). Room temperature or frozen specimens also acceptable. | |
Specimen stability: |
Room Temperature: 5 days. Refrigerated: 12 days. Frozen: 30 days. | |
Rejection criteria: |
Stability limits exceeded. Specimen collected in gel barrier tube. | |
TEST DETAILS |
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CPT code(s): |
80171 | |
| Note: The billing party has sole responsibility for CPT coding. Any questions regarding coding should be directed to the payer being billed. The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only. | ||
Test includes: |
Neurontin (gabapentin) level. | |
Methodology: |
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS) |
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Synonyms: |
Gabapentin Quest test code 3557 NEURO
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