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Nortriptyline

Centralized Core Laboratory - Mayo Clinic Laboratories : Send Out

Test ID :
NORTP
Test Workstation :
MAYO
Specimen Type:
Blood
Tube Type:
Red top (no anticoagulant) tube
Collection Volume:
2.5 mL ( 1.0 mL minimum)
Storage:
Refrigerated
Availability:
Sent to reference lab.
Methodology:
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Special Instructions:
Collect immediately prior to next dose. Lab Centrifuge and remove serum from cells within 2 hours of collection.
Lab/Phone:
330-543-8418
TAT:
3-5 days
Additional Info:
  • Reference Values:
  • Therapeutic concentration: 70-170 ng/mL
  • Risk of toxicity is increased with nortriptyline levels above 500 ng/mL
  • CPT Code:
    80335, G0480 (if appropriate)
    Synonyms:
    Pamelor Aventyl

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