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Test Code GLUPP Glucose 2 Hour Post Prandial LAB2475

Test Method

Timed Endpoint; Beckman DXC600


Testing is performed Monday through Sunday.

Routine orders: Typically completed within 4 hours after
the specimen arrives at the testing site.

Expedite: Typically completed within 1 hour after the
specimen arrives at the testing site.

STAT: Typically completed within 30 minutes after the specimen
arrives at the testing site.

Useful For

Diagnosing and managing diabetes mellitus and other carbohydrate
metabolism disorders including gestational diabetes, neonatal
hypoglycemia, idiopathic hypoglycemia, and pancreatic islet cell

Specimen Requirement

0.5 mL serum or plasma is required.

CPT Code Information

82947 Chemistry: Glucose Testing Glucose;
quantitative, blood (except reagent strip)

Reference Values

Less than 140 mg/dL

LOINC Code Information

12610-2 Glucose [Mass/Volume] In Serum Or Plasma-2 Hours Post
XXX Challenge

Additional Specimen Collection Information

Collect blood in a lithium heparin, green-top or red-top
tube from patient 2 hours after a meal. PST and SST (gel
tubes) are acceptable. Serum or plasma should be separated from
contact with the cells within 2 hours of collection. Specimens not
centrifuged within 4 hours of collection may be rejected.
Refrigerate the specimen if unable to assay within 8 hours of
collection. Hemolyzed specimens are not acceptable. Samples with
≥3+ lipemia must be cleared prior to analysis.