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Nortriptyline, Blood Level

Mnemonic:    [NORTR]
Name:    Nortriptyline, Blood Level
Specimen:    2 mL serum from a Red top tube. Do NOT use gel barrier tubes. EDTA plasma is also acceptable

Separate serum or plasma within 2 hours of collection. Place the sample in a labeled transport tube.
Minimum Spec:    0.6 mL
Transport Temp:    Refrigerated
Spec Stability:    Stable up to 2 weeks refrigerated.
Ref Lab/Code:    ARUP 0090074
  Method:    Liquid Chromatography/Tandem Mass Spectrometry
Note:    Do not order if amitriptyline is administered; instead order Amitriptyline/Nortriptyline (ARUP # 90158)