| Test Name: | Levetiracetam Level (Keppra) |
| Epic Order Code: | LAB477 |
| CPT Code: | 83520 | | |
| Specimen(s) Type: | Serum; 1.0 mL |
| Acceptable Container(s): |  Top is red. |
| Testing Schedule: | Monday-Friday, 7 a.m.-4:30 p.m. |
| Turn Around Time: | STAT: 30 minutes |
| | Routine: 1 hour |
| Collection Information: | No special patient preparation is required. Obtain specimen by standard collection procedures. Do not collect in serum separator tubes. |
| Transport Information: | Deliver to lab immediately. All specimens must be signed into the laboratory. |
| Reference Clients: | If unable to deliver to the lab within 1 hour, centrifuge the specimen and remove serum from the cells. Store and transport at 2-8° C within 7 days. |
| Causes for Rejection: | Improperly labeled, incorrect container, contaminated, insufficient quantity, incorrect/delay in transport. |
| Reference Range: | Trough: 6 - 20 µg/mL |
| | Random: 12 - 46 µg/mL |
| Additional Information: | Although this medication exhibits a wide therapeutic index, patients should be evaluated for toxicity and managed individually. |