Test ID: Z1156
CPT code: 80299
LOINC: 3872-9
Specimen Type: Red, Lav(EDTA) OR green(heparin). NO SST
Frequency: 3-5 days
Instructions: 1 mL Serum or Plasma from Red, Lav(EDTA) OR green(heparin). Ambient, Do not use a SST. Min 0.3 mL.
Text: Nortriptyline, a tricyclic antidepressant, is a metabolite of amitriptyline & is used to treat endogenous depression. May be associated with cholestasis & cholestatic jaundice. Hematological consequences: agranulocytosis, purpura, & thrombocytopenia. Other side effects: GI, endocrinologic, allergic, anticholinergic, cardiovascular, & neurologic disorders.
Methodology: Liquid chromatography/tandem mass spectrometry (LC/MS-MS)