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Test Code GLUPP Glucose 2 Hour Post Prandial LAB2475

Performing Laboratory

UnityPoint The Finley Hospital

Test Method

Enzymatic; Roche cobas Pro

Performance

Testing is performed Monday through Sunday.

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

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

Specimen Requirement

  1. Specimen is collected 2 hours after a meal.
  2. Lithium heparin plasma (green) is the specimen of choice. 0.5mL
  3. Serum (red/gold) and EDTA plasma (purple) are also acceptable sample types.
  4. It is recommended that the serum or plasma be separated from contact with cells within 30 minutes from time of collection.
  5. Serum/plasma glucose specimens are stable for 8 hours at 25°C, or 72 hours at 4°C. 

Useful For

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

Reference Values

Less than 140 mg/dL

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
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