Specimen:
Collect
- One Red Top
Also Acceptable:
- One Green Top (Li Heparin)
- One Green Top (Na Heparin)
- One Lavender (EDTA)
- One Pink Top (EDTA)
Submit
- 1 mL (Min:0.3 mL) Serum . Submit Refrigerated. Submit in a Standard Transport Tube.
Also Acceptable:
- 1 mL (Min:0.3 mL) Plasma . Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Separate from cells ASAP
- Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Rejection Criteria
- Use of separator tubes
Stability
Ambient: 6 Day(s); Refrigerated: 1 Week(s); Frozen: 4 Week(s); Incubated: Unacceptable
Methodology
- Enzyme Immunoassay (EIA)
Performed
Sun-Sat
Reported
2-3 Day(s)
CPT Codes
- 80175
Components
- 91149 - LAMOTRIGINE
Last Updated: November 4, 2025 @ 10:13 am
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