Lamotrigine LAMO
| Method(s) | Enzyme Immunoassay |
|---|---|
| Synonym | Lamictal® |
| Specimen Required | |
| Collect | One 3 mL plain red top tube, preferred. |
| Transport | 1 mL serum at 2-8°C. |
| Remarks | Specimen Requirement: A steady state trough (pre-dose) sample is generally accepted as most consistent for therapeutic durg monitoring. Time of last dose should be noted on the requisition. Use a consistent specimen matrix for serial monitoring of each patient. |
| Stability | Refrigerated: 7 days; Frozen: 4 weeks |
| Unacceptable Conditions | Gel separator tubes. |
| Schedule | Mon-Fri |
| Billing Code | 1010438 |
| CPTCode | 80175 |
| Notes | Trimethoprim mildy cross reacts with this assay. Interpret results with care when both drugs are present in circulation. |
| Preferred Specimen Collection Device(s) | |
| Reference Interval | |
|
2.5 - 15.0 µg/mL |
|
