Test includes amitriptyline and nortriptyline
Methodology: High-Performance Liquid Chromatography (HPLC)
Specimen Requirements: 1 plain, red-top (no additive) tube (minimum: 1.5 mL of serum) collected 15 minutes prior to next dose or at least 12 hours after last dose. Centrifuge red-top within 30 minutes after draw. Refrigerate specimen after collection.
SST tube not acceptable.
Lavender-top (EDTA), green-top (heparin), or gray-top (oxalate/fluoride) is also acceptable.
Days Set Up: Monday through Friday
80335 – (G
0480 – ) amitriptyline