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HelpTest Code GLUPP Glucose 2 Hour Post Prandial LAB2475
Test Method
Timed Endpoint; Beckman DXC600
Performance
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.
Reference Values
Less than 140 mg/dL
Useful For
Diagnosing and managing diabetes mellitus and other
carbohydrate
metabolism disorders including gestational diabetes, neonatal
hypoglycemia, idiopathic hypoglycemia, and pancreatic islet
cell
carcinoma
Specimen Requirement
0.5 mL serum or plasma is required.
CPT Code Information
82947 Chemistry: Glucose Testing Glucose;
quantitative, blood (except reagent strip)
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.