Topiramate Level
| Abbrev Code: | TOPIR | ||
| Order Code: | LAB6982 | Order Name: | Topiramate Level |
| Synonyms: | Topamax | ||
| Methodology: | Enzyme immunoassay | ||
| CPT Codes: | 80201 x1 | ||
| Turnaround Time: | Specimens are sent to reference laboratory Mon-Sat; results are reported within 1-2 days. | ||
Collection Instructions
| Specimen: | Blood |
| Optimal Volume: | 2 mL |
| Minimum\Peds Volume: | 0.8 mL |
| Container: | Red (no gel) Alternate Containers: Green (lithium heparin, no gel), Green (sodium heparin, no gel), Purple (EDTA) |
| Collection Instructions: | Usual sampling time is immediately prior to next dose (trough). |
| Causes for Rejection: | Serum of plasma separator tubes. Grossly hemolyzed specimens. |
Processing and Shipping
| Specimen Processing: | Centrifuge and aliquot 1 mL, 0.3 mL minimum. Store at room temperature. |
| Shipping Instructions: | Ship at room temperature. |
| Stability: | After separation from cells: 6 days at room temperature; 1 week refrigerated; 4 weeks frozen. |
| Test Performed at or Referral Lab | Lab Sendouts (ARUP) |
| Referral Lab number: | 70390 |
Interpretive
| Therapeutic Range: | 5.0-20.0 ug/mL |
| Use: | Therapeutic monitoring and assess toxicity. |
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