A type of sugar; the chief source of energy for living organisms.

GoldBamboo

... Why get tested?
To determine if your blood glucose level is within healthy ranges; to screen for, diagnose, and monitor hyperglycemia (high blood glucose), hypoglycemia (low blood glucose), diabetes, and pre-diabetes

When to get tested?
Blood glucose: as part of a regular physical, when you have symptoms suggesting hyperglycemia or hypoglycemia, and during pregnancy; if you are diabetic, up to several times a day to monitor blood glucose levels
Urine glucose: usually as part of a urinalysis

Sample required?
A blood sample drawn from a vein in your arm or, for a self check, a drop of blood from a skin prick; in general, it is recommended that you fast before having a blood glucose test; sometimes a random urine sample is used.
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Lab Tests Online - more...

Glucose Chemical name 6-(hydroxymethyl)oxane-2,3,4,5-tetrol Synonym ...
Wikipedia - [full article]

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