Test Overview

Test Methodology

Liquid chromotography/Tandem Mass Spectometry (LC/MS/MS)

Reference Range*

Sertraline: 30 - 200 ng/mL
Desmethylsertraline: No reference range provided

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Details

Days Test Performed


Analytic Time

4 - 8 days

Soft Order Code




Laboratory Reference

Mayo FSERT (MedTox 122)

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Specimen Requirements

Rejection Criteria

SST or PST tube not acceptable.


Yellow Top Tube
Red Top Tube

Normal Volume

2 mL serum or plasma

Minimum Volume

1.2 mL serum or plasma

Additional Information

Test sent to Mayo Medical Laboratories; performed by MedTox Laboratories.

Billing Information

Fee Codes

CPT Code


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