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Fasting blood sugar test

Your blood sugar after a night without food. Quick and simple.

NABL partner lab · [Lab name]Also called: FBS · Fasting glucose
Quick answer

The fasting blood sugar test checks your sugar after 8–10 hours without food. 70–99 mg/dL is usual. 100–125 is the prediabetes range. 126 or more on two tests is in the diabetes range. It is often done with HbA1c. It costs ₹[price] and is in every Aarogya 360 check-up [confirm].

A doctor on a video consultation
Before your testFasting[8–10 hours]SampleBloodReport[N] hours
Price
₹[price]
Sample
Blood from a vein
Fasting
[8–10 hours]
Report in
[N] hours

What it measures

What this test tells you.

After a night’s fast, your body should keep sugar steady. A high fasting sugar means your body is struggling to manage it.

What the numbers mean
Usual70–99mg/dL
Prediabetes range100–125Time to act
Diabetes range126 or moreOn two tests
General ranges for adults. Your lab report shows its own range. Ranges: [medical reviewer to confirm].

Who should test

Is this test for you?

Diabetes in the family

Test once a year.

Waist or weight is up

A common early sign.

Thirsty or passing urine often

Get tested soon.

How to prepare

Simple steps before you come.

1Fast

[8–10 hours]. Water is fine. No tea or coffee.

2Come in the morning

Book an early slot.

3Diabetes medicines?

Ask your doctor about taking them that morning.

Questions

About the fasting sugar test.

Medically reviewed by[Dr Name][MBBS, MD · Reg. no.] · Reviewed [date]

Yes, plain water is fine.

Know your numbers this week.

Book the test alone, or get it inside a full check-up.