Find Locations
For hours, walk-ins and appointments.Test Includes
Acetohexamide; chlorpropamide; glimepiride; glipizide; glyburide; nateglinide; repaglinide; tolazamide; tolbutamide
Expected Turnaround Time
10 - 14 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Specimen Requirements
Specimen
Serum or plasma
Volume
2 mL
Minimum Volume
1 mL
Container
Red-top tubeor green-top (heparin) tube. Gel-barrier tubes are not recommended.
Collection
Serum or plasma should be separated from cells within two hours of venipuncture. Submit serum or plasma in a plastic transport tube.
Storage Instructions
Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.
Causes for Rejection
Gel-barrier tubes
Test Details
Use
Detect the presence of sulfonylurea class drugs
Methodology
Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
LOINC® Map
| Order Code | Order Code Name | Order Loinc | Result Code | Result Code Name | UofM | Result LOINC |
|---|---|---|---|---|---|---|
| 814133 | Sulfonylurea Screen, QT | 814134 | Acetohexamide | ug/mL | 27007-4 | |
| 814133 | Sulfonylurea Screen, QT | 814135 | Chlorpropamide | ug/mL | 3474-4 | |
| 814133 | Sulfonylurea Screen, QT | 814136 | Tolazamide | ug/mL | 9629-7 | |
| 814133 | Sulfonylurea Screen, QT | 815298 | Tolbutamide | ug/mL | 4061-8 | |
| 814133 | Sulfonylurea Screen, QT | 815299 | Glimepiride | ng/mL | 40465-7 | |
| 814133 | Sulfonylurea Screen, QT | 815300 | Glipizide | ng/mL | 10539-5 | |
| 814133 | Sulfonylurea Screen, QT | 815301 | Glyburide | ng/mL | 10540-3 | |
| 814133 | Sulfonylurea Screen, QT | 815302 | Nateglinide | ng/mL | 49702-4 | |
| 814133 | Sulfonylurea Screen, QT | 815303 | Repaglinide | ng/mL | 38542-7 |
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