Test Overview

Test Methodology

Hexokinase, NADH Endpoint

Test Usage

Determine glucose level, monitor insulin therapy, evaluate carbohydrate metabolism.

Reference Range*

2 Hr Postprandial: (75 gm load): Normal <140 mg/dL, Impaired 140 - 200 mg/dL, Provisional Diagnosis >200 mg/dL.

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

Test Details

Days Test Performed

Daily, 24 hours

Analytic Time

2 hours

Soft Order Code

GLU2P

MiChart Code

Glucose, Two Hour Postprandial

Synonyms

Laboratory

Chemical Pathology

STAT Availability

STAT requests for this test will be performed on a STAT basis (supervisory staff approval is not required).

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Specimen Requirements

Offsite Collection Instructions

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).

Container

Normal Volume

0.5 mL serum

Minimum Volume

0.25 mL serum

Billing Information

Fee Codes

CPT Code

82950

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