Test directory: Nortriptyline

Ordering Code 400
Test Name Nortriptyline
Alias Aventyl
Preferred Specimen Serum
Preferred Container Plain (Red)
No gel barrier tubes.
Other Specimen/Container Plasma in EDTA, K2 (Lavender),
Plasma in Lithium Heparin (Green),
Plasma in Sodium Heparin (Green)
Optimum Volume 3 mL
Collection Instructions Do Not use SST or PST
Optimum time to collect sample is 10-14 hours post oral dose
Handling Instructions Separate serum promptly
Transport Requirements Oahu: Refrigerated
Airline: Refrigerated
Specimen Stability Ambient: 5 Days
Refrigerated: 7 Days
Frozen: 1 Month
Rejection Criteria Gel barrier tube, Hemolyzed, Lipemic
Avail. Stat NO
Analytic Time Up to 7 Days
Methodology Liquid Chromatography Tandem Mass Spectrometry (LC/MS/MS)
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of June 29, 2025.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
Nortriptyline ALL See report.