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Test Code
LAMO
Test Name
Lamotrigine, Serum
CPT Codes
80175
Expected Turnaround Time
3 - 5 days
Clinical Utility
  • Identification and quantitation of lamotrigine.
  • Useful for monitoring serum concentration of lamotrigine and assessing compliance.
  • In addition, peak plasma levels are reached in about 2 hours after oral administration. Elimination half-life is 10-100 hours.
Specimen and Container Info

Preferred Specimen Type: Serum 

Preferred Collection Container: Red Top, Plain 

Desired Specimen Volume: 1 mL  
Processing and Submission Instructions
  1. Allow specimen to sit upright 30 minutes.
  2. Centrifuge within 2 hours of collection for 15 minutes.
  3. Transfer serum to plastic vial and refrigerate.
Transport Instructions

Transport to the laboratory refrigerated.  
Stability Requirements

Room Temperature

48 hours

Refrigerated

14 days

Frozen

30 days
Methodology
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Reference Intervals

Analyte

Therapeutic Range (µg/mL)

Lamotrigine

2.5 - 15.0

 
Performing Location
Roble Road Core Laboratory
Alternate Names
Lamictal
Testing Schedule
Routine, 3 times per week
The American Medical Association (AMA) Current Procedural Terminology (CPT) codes published by HNL Lab Medicine are guidelines and are intended for informational purposes only. CPT coding is the exclusive responsibility of the billing entity. View the Terms.
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