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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 Heparinized 3 (1.5) mL   Refrigerated - 7 Day(s)/Frozen - 30 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 Lithium 3 (1.5) mL   Frozen - 30 Day(s)/Refrigerated - 7 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

CPT Code
80335

The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.

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






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