- 91172
Nortriptyline
Specimen:
Collect
- One Red Top
Also Acceptable:
- One Lavender (EDTA)
- One Pink Top (EDTA)
Submit
- 1 mL (Min:0.5 mL) Serum in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
Also Acceptable:
- 1 mL (Min:0.5 mL) Plasma in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
- 1 mL (Min:0.5 mL) Plasma in Standard Transport Tube. Submit Refrigerated. Submit in a Standard Transport Tube.
Special Handling
- Separate from cells within 2 hours of collection
- If amitriptyline administered, order Test # 91018 Amitriptyline/Nortriptyline.
Timing of specimen collection: Pre-dose (trough) draw at steady - state concentration.
Stability
Ambient: 5 Day(s); Refrigerated: 2 Week(s); Frozen: 6 Month(s); Incubated: Unacceptable
Methodology
- Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Performed
Monday, Wednesday, Friday
Reported
2-8 Day(s)
CPT Codes
- 80335
Components
- 91172 - NORTRIPTYLINE
Last Updated: October 14, 2024 @ 9:13 am
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Common Lab Definitions
- Serum
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