Topiramate QTOP
| Method(s) | Chromatography/Mass Spectrometry | |||||||||||||
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| Specimen Required | ||||||||||||||
| Collect | One 5 mL plain red top (no gel) or royal blue (no additives) or light green (lithium heparin) top tube. Also acceptable: plasma collected in tan (sodium heparin lead-free) or dark green (sodium heparin) top tube. |
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| Transport | 1 mL serum ambient (Min: 0.5 mL). |
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| Remarks | Patient Preparation: Draw at peak (2-4 hours after dose) or trough (0.5-1 hour before dose) at steady state. |
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| Stability | Ambient: 7 days Refrigerated: 14 days Frozen: 30 days |
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| Unacceptable Conditions | Gel barrier/Gold (SST) top tube. |
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| Schedule | Mon-Sat | |||||||||||||
| Billing Code | 9011645 | |||||||||||||
| CPTCode | 80201 | |||||||||||||
| Notes | Performing Laboratory Quest Diagnostics Nichols Institute-Chantilly VA | |||||||||||||
| Preferred Specimen Collection Device(s) | ||||||||||||||
| Reference Interval | ||||||||||||||
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