Test ID: Q0118
CPT code: 80175
Specimen Type: red non-gel
Frequency: Mon – Fri; analytic time 2 days
Instructions: 1.0 mL serum (0.3mL min.). Separate serum from cells ASAP.
Text: Draw 1/2 to 1 hour before next dose at steady state.
For therapeutic drug monitoring of patients taking Lamotrigine.
Methodology: Quantitative Enzyme Immunoassay