Lamotrigine LAMO

Method(s) Enzyme Immunoassay
Synonym Lamictal®
Specimen Required
Collect

One 3 mL plain red top tube, preferred.

Transport

Separation of serum or plasma from cells within 2 hours is preferred. 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

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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