| CODE | TEST | CPT CODE | SPECIMEN REQUIREMENTS / REFERENCE RANGES |
 |
|
|
|
| 4440, BLOD0384 | Amitriptyline (Elavil) by HPLC *Includes metabolite Nortriptyline |
80152 |
2 mL serum (1.2 mL minimum). No gel barrier or SST tubes. Also acceptable: EDTA plasma, sodium or lithium heparin plasma. Preferred collection time is immediately before the next scheduled dose or at least 12 hours after last dose. Send refrigerated. Stability: RMT - 3 days REFT - 3 days |
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