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272: Nortriptyline Print View
Nortriptyline LC/MS/MS  50 - 150  mcg/L 

PRIMARY
1 Serum 3 (1.5) mL   Room Temperature - 5 Day(s)/Refrigerated - 7 Day(s)/Frozen - 30 Day(s)  
ALTERNATE
  Plasma Lithium 3 (1.5) mL   Frozen - 30 Day(s)/Refrigerated - 7 Day(s)/Room Temperature - 5 Day(s)  
  Plasma EDTA 3 (1.5) mL   Refrigerated - 7 Day(s)/Frozen - 30 Day(s)/Room Temperature - 5 Day(s)  
  Plasma Heparinized 3 (1.5) mL   Refrigerated - 7 Day(s)/Frozen - 30 Day(s)/Room Temperature - 5 Day(s)  

Nortriptyline is a tricyclic antidepressant. Therapeutic drug levels are monitored to assist the physician assessing therapeutic response and to avoid toxicity.

Collect at steady-state trough concentration. Specimen should be
collected > 12 hrs after dose. Do not use gel barrier/Serum
Separator tubes. ACD tube is unacceptable.
Setup Schedule
Tuesday-Saturday

Reported (Analytical Time)
Same day


Notes
Reject Criteria: Gross Hemolysis, Gel Barrier/Serum Separator tubes.






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