Test Overview

Test Methodology

Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)

Test Usage

Monitor therapeutic drug levels; monitor patient compliance; evaluate desipramine toxicity

Reference Range*

Therapeutic: 50 - 250 ng/mL; Toxic: > 500 ng/mL.

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

Test Limitations

Phenothiazines and other antidepressant drugs may interfere when administered concomitantly.

Test Details

Days Test Performed

Thursday

Analytic Time

4 hours

Soft Order Code

DESI

MiChart Code

Desipramine Level

Synonyms

Laboratory

Chemical Pathology

Looking to Order a Test?

We’ve provided helpful links to make ordering easy.

Find a Requisition

All specimens should be accompanied by a requisition.

Submitting Specimens

Learn about how to properly label and where to ship specimens.

Order Kits and Supplies

MLabs provides all the supplies necessary for the collection of specimens.

Test FAQ

Visit our provider FAQ and learn about common questions to ordering tests.

Specimen Requirements

Offsite Collection Instructions

Collect blood in a red top or green top tube; do not use SST tube. Centrifuge, aliquot serum or plasma into plastic vial as soon as possible and refrigerate.

Rejection Criteria

SST or PST tube not acceptable.

Container

Normal Volume

1 mL serum or plasma

Minimum Volume

0.7 mL serum or plasma

Billing Information

Fee Codes

CPT Code

80335

LOINC

3531-1

Have More Billing Questions?

Explore our helpful billing resources:

Billing Resources

Billing FAQ