Biomarker Lens

Common biomarkers

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  • Ferritin
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Biomarkers · Chemical

Nortriptyline

Also listed as
Nortriptyline (Aventyl), Serum
Primary unit
ng/mL
LOINC codes
3873-7, 3872-9, 35627-9
Tests that measure Nortriptyline
Labcorp 3, Quest Diagnostics 3

Tests

Check the catalog code, specimen, method and preparation for every test that measures Nortriptyline. Select up to five tests to compare them side by side.

Labcorp 3 tests

Single-analyte tests

  • Nortriptyline 007393

    Serum · Fasting not stated · Turnaround 3 - 5 days

    Method and collection
    Method
    Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
    Collection
    Transfer separated serum or plasma to a plastic transport tube. For therapeutic monitoring, collect specimen immediately prior to next dose.
    Reference notes
    Therapeutic: 50−150 ng/mL
    Labcorp catalog page

Panels that include this biomarker

  • Amitriptyline 007476

    3 analytes · Serum · Fasting not stated · Turnaround 2 - 5 days

    Method and collection
    Method
    Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
    Collection
    Transfer separated serum or plasma to a plastic transport tube. For therapeutic monitoring, collect specimen immediately prior to next dose unless specified otherwise.
    Reference notes
    Therapeutic: amitriptyline + nortriptyline: 80−200 ng/mL
    Labcorp catalog page

  • Antidepressant Drug Profile, Quantitative 791490

    21 analytes · Serum · Fasting not stated · Turnaround 7 - 10 days

    Method and collection
    Method
    Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
    Collection
    Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.
    Labcorp catalog page

Quest Diagnostics 3 tests

Single-analyte tests

  • Nortriptyline 272

    Serum · Fasting not stated · Turnaround Set up: Tues-Sat (10:00 a.m.); Report available: 1-4 days

    Method and collection
    Method
    Chromatography/Mass Spectrometry
    Preparation
    Collect at steady-state trough concentration. Specimen should be collected >12 hours after dose.
    Reference notes
    50-150 mcg/L
    Quest Diagnostics catalog page

Panels that include this biomarker

  • Tricyclic Antidepressants ID and Quantitation 17482

    8 analytes · Serum · Fasting not stated · Turnaround Set up: Mon-Sat

    Method and collection
    Method
    Chromatography/Mass Spectrometry
    Preparation
    Collect at steady-state trough concentration. Specimen should be collected >12 hours after dose.
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

  • Drug Monitoring, Antidepressants, with Confirmation, Serum 94031

    22 analytes · Serum · Fasting not stated · Turnaround Set up: Mon-Sat

    Method and collection
    Method
    Chromatograpy/Mass Spectrometry
    Reference notes
    See Laboratory Report
    Quest Diagnostics catalog page

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Sources

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We compile this page from named laboratory catalogs, guidelines and studies. Labs calculate reference intervals from the people they test, for one assay method and one population group, so an interval describes that population rather than an optimal target.

Interpret your own results with a licensed clinician, or track your lab history and health goals in Aumnivida.

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