Fasting Blood Sugar

MeasuredEssentialFasting needed

Your blood sugar after an overnight fast.

A direct, cheap diabetes screen, though a single reading can mislead.

Calculated from this result

Once a lab has this measurement, these lines cost it nothing to add.

How we rate it — Essential

Defensible in a routine adult check-up.

This rating and the description above were written against published screening guidelines by someone who is not a clinician, and are awaiting review by one. We would rather say that than imply an authority we do not have.

Check-ups that include it

In 43 of the 78check-ups we track — 55%. Cheapest first.

and 31 more.

Also sold as

Every one of these names refers to this same test. Resolving them to one canonical entry is what makes an honest comparison possible.

fasting glucose · fasting blood sugar · fbs · glucose fasting · blood sugar fasting

Information here is for comparing packages, not for diagnosing yourself. Talk to a doctor about which tests you actually need.