Days Set Up
Monday - Saturday
Analytic Time

5 - 9 days

Soft Order Code
MMLR

Test Updated:

Synonyms
 
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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.

Test Overview

Test Methodology

High-Performance Liquid chromatography with Ultraviolet Detection (HPLC-UV)

Test Usage

Therapeutic Drug Monitoring

Reference Range

The effective concentration range of isoniazid is dependent upon the minimum inhibitory concentration of the pathogen being treated. Toxic range: greater than 20 ug/mL.

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

Specimen Requirements

Collection Offsite

Collect specimen in a red top tube; do not use SST tube. Centrifuge, aliquot serum into a plastic vial and refrigerate (preferred) or freeze.

Yellow Top Tube
Red Top Tube
Normal Volume
2 mL serum
Minimum Volume
0.5 mL serum

Billing Information

CPT Code
80375
Pro Fee Code
 
LOINC
3697-0

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Our High Standard

Quality that sets us apart

As the reference laboratory division of Michigan Medicine's Department of Pathology, MLabs shares the institution's commitment to applying established quality principles to clinical laboratory testing. Like other large organizations in complex, consequential fields, we rely on an established approach to monitor quality throughout the testing process.

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