Glucose, 2Hr Postprandial Dose

Message

Performed in Chemistry

Test Code

GLUCPP

Preferred Specimen

Green Top LiHep, Plasma
WyMCC - SST

Other Acceptable Specimens

EDTA, Gray NaF, KF, SST, Red

Instructions

This is a two hour post meal draw. Draw the specimen 2 hours after the meal. Separate from cells within 1/2 hour

Transport Temperature

Refrigerated

Specimen Stability

Room Temperature 8 hours
Refrigerated 3 days

FDA Status
FDA Approved

Setup Schedule

Daily, Sunday through Saturday

Report Available

Less than 4 hours

Clinical Significance

Glucose is major carbohydrate present in peripheral blood. Oxidation of glucose is major source of cellular energy in body. Glucose derived from dietary sources is converted to glycogen for storage in liver or to fatty acids for storage in adipose tissue. Concentration of glucose in blood is controlled within narrow limits by many hormones, most important of which are produced by pancreas. Most frequent cause of hyperglycemia is diabetes mellitus resulting from a deficiency in insulin secretion or action. Number of secondary factors also contribute to elevated blood glucose levels. These include pancreatitis, thyroid dysfunction, renal failure and liver disease. Hypoglycemia is less frequently observed. A variety of conditions may cause low blood glucose levels such as insulinoma, hypopituitarism or insulin induced hypoglycemia. Glucose measurement in cerebrospinal fluid is used for evaluation of meningitis, neoplastic involvement of meninges and other neurological disorders

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