Synonyms | Topamax |
SPECIMEN REQUIREMENTS | |
Container Type | Red top tube (plain) |
Supply Item Number | 1372 |
Specimen Type | Serum |
Preferred Volume | 1 mL |
Emergency Minimum Volume | 0.3 mL |
Patient Prep | Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration. |
Specimen Processing | Separate serum or plasma from cells ASAP or within 2 hours of collection and transfer to a standard PAML aliquot tube. |
Store and Transport | Refrigerated |
Stability | Room Temp 6 days Refrigerated 1 week Frozen (-20 °C) 1 month |
Unacceptable Condition | GEL SEPARATOR TUBES; grossly hemolyzed specimens |
Alternate Specimens | Lavender (EDTA), pink (K2EDTA) or green (sodium or lithium heparin) |
Limitations | If testing is to be delayed by more than 1 week, specimens should be stored frozen for up to 1 month prior to being tested. Avoid repeated freezing and thawing of the specimen. |
Reference Laboratory | PAML |
CPT Codes | 80201 |
Interface Order Code | 80201.Z3 |
Billing Code | TOPARP |
Test Schedule | Mon-Fri |
Turnaround Time | 1-2 days |
Method | Enzyme Immunoassay |
Reference Ranges | Title | Descriptor | Ranges | Units | Topiramate | Therapeutic Range | 2.0-25.0 | ug/mL | | Toxic | Not well established |
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Clinical Significance | Topiramate is a broad spectrum, anti-epileptic drug used to control various types of seizures. |