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* NORTRIPTYLINE, QUANTITATIVE, SERUM

Mnemonic

NORT

Synonym

Aventyl® - Pamelor®

Specimen Collection Requirements

Patient Preparation

Collect specimens for therapeutic monitoring approximately 8-12 hours after last dose.

Collect

Serum or Plasma, one 7.0 mL red, 4.0 mL dark green (sodium heparin), or 4.0 mL lavender (EDTA) top tube.  SST and PST tubes are NOT recommended.

Handling

Allow serum to clot completely at room temperature (minimum 30 minutes). Centrifuge and separate serum or plasma from cells ASAP.

Preferred Volume

3 mL Serum or Plasma

Minimum Volume

1 mL Serum or Plasma (Whole blood 2.5 mL minimum draw)

Transport

Refrigerated (2-8°C)

Rejection Criteria

Gross hemolysis. Avoid gel separator tubes. If collected in such tubes remove ASAP.

Stability

Ambient (20-25°C): 1 week; Refrigerated (2-8°C): 2 weeks; Frozen (at or below -20°C): 6 months

Testing Information

Performed

7 days/week

Reported

24 hours

Method

Liquid Chromatography Tandem Mass Spectrometry

Reference Values

Last Updated: Friday, March 10, 2017 01:50:33 PM


Client Services: 503-413-1234