Nortriptyline QNORTP

Method(s) Chromatography/Mass Spectrometry
Synonym Aventyl, Pamelor
Specimen Required
Collect

One 6 mL plain red (no gel) top tube.

Also acceptable: Plasma collected in lavender (EDTA), green (sodium heparin), or green (lithium heparin) top tube.

Transport

3 mL serum ambient (Min: 1.5 mL).

Patient Preparation

  • Collect at steady-state trough concentration.
  • Specimen should be collected greater than 12 hours after dose.
Stability

Ambient: 5 days

Refrigerated: 7 days

Frozen: 30 days

Unacceptable Conditions
  • Gross hemolysis
  • Gel barrier/serum separator tube (SST)
Schedule Mon-Fri
CPTCode 80299
Notes Performing Laboratory-Quest Diagnostics-Chantilly VA
Preferred Specimen Collection Device(s)
Reference Interval

50-150 mcg/L

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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