ARUP's Laboratory Test Directory
| 0090158: Amitriptyline & Nortriptyline by HPLC |
| Test Mnemonic: AMIT/NORT | |
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Methodology: High Performance Liquid Chromatography
Performed: Mon-Fri Reported: 1-4 days |
| Specimen Required: | |
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Collect: One 7 mL plain red. (Min: 3 mL) Also acceptable: lavender (EDTA), pink (K2EDTA), green (sodium heparin), or gray (sodium fluoride/potassium oxalate).
Transport: 2 mL serum or plasma at 2-8°C. (Min: 1 mL) Submit specimen in an ARUP Standard Transport Tube. Pediatric Collection/Transport: 0.65 mL serum or plasma at 2-8°C. Remarks: Avoid use of separator tubes. Stability: After separation from cells: Ambient: 5 days; Refrigerated: 2 weeks; Frozen: 6 months |
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| Reference Interval: |
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Therapeutic Range: Total drug: 95-250 ng/mL Toxic: > 500 ng/mL |
| Note: | |
| Report includes individual values for amitriptyline, nortriptyline, and total. |
| CPT Code(s): | |
| 80152 Amitriptyline; 80182 Nortriptyline |