Test Overview
Hexokinase, NADH Endpoint
Determine glucose level, monitor insulin therapy, evaluate carbohydrate metabolism.
2 Hr Postprandial: (75 gm load): Normal <140 mg/dL, Impaired 140 - 200 mg/dL, Provisional Diagnosis >200 mg/dL.
Test Details
2 hours
- Glucose, 2 Hr Postprandial
- GLU2P
STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).
Specimen Requirements
Administer 75 gm Glucola. Instruct patient to finish drinking the Glucola within 5 minutes of the time he or she starts drinking and not to eat anything except a few sips of water after finishing the Glucola. Collect blood in an SST tube exactly 2 hours after the patient finished drinking the Glucola. Centrifuge within 4 hours of collection, aliquot serum into a plastic vial and refrigerate. If specimen cannot be centrifuged at client site, please arrange for delivery to MLabs within 3 hours of specimen collection. Label vial appropriately (2 HR PP).