Days Set Up
Monday, Wednesday, Friday
Analytic Time

2 - 8 days

MiChart Code
Hypoglycemic Agent Screen
Soft Order Code

Test Updated:


Sulfonylurea Hypoglycemic Serum
Hypoglycemic Agent Scrn, S

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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

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Test Overview

Test Methodology

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

Test Usage

Evaluation of suspected insulinoma characterized by hypoglycemia and increased plasma insulin concentration. Detecting drugs that stimulate insulin secretion.

Reference Range

Negative. Threshold cut off levels: Acetohexamide 1000 ng/mL; Chlorpropamide 1000 ng/mL; Tolazamide 20 ng/mL; Tolbutamide 50 ng/mL; Glimepiride 20 ng/mL; Glipizide 3 ng/mL; Glyburide 3 ng/mL; Repaglinide 3 ng/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 freeze.

Red Top Tube
Normal Volume
3 mL serum
Minimum Volume
1.1 mL serum

Billing Information

CPT Code
Pro Fee Code

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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.