Also known as: Fasting sugar, FBS, Fasting plasma glucose, Diabetes screening test
Blood
Within 2 hours
Home pickup
Fasting needed (8-10)
Fasting Blood Sugar (FBS) measures your blood glucose after an 8–10 hour overnight fast. It is a standard, reliable test for diagnosing and monitoring diabetes and pre-diabetes, often paired with HbA1c.
Clinical use cases
Why doctors order it
Diabetes screening for adults 30+
Pre-diabetes detection
Diabetic patients tracking morning sugar
Pre-employment medicals
Family history of diabetes
Adults with obesity / metabolic syndrome
Diabetes mellitus
Pre-diabetes
Impaired fasting glucose
About this test
Fasting Blood Sugar (FBS) measures your blood glucose after an 8–10 hour overnight fast. It is a standard, reliable test for diagnosing and monitoring diabetes and pre-diabetes, often paired with HbA1c.
Clinical significance
Because it is taken in a fasted state, FBS is well standardised: a level of 126 mg/dL or more on two occasions confirms diabetes, while 100–125 mg/dL indicates pre-diabetes (impaired fasting glucose). It guides diagnosis, treatment adjustment and screening in people with risk factors.
Get tested if you have these symptoms
Increased thirst and frequent urination
Unexplained tiredness or weight loss
Blurred vision
Family history of diabetes, overweight or PCOS
Routine diabetes screening after age 30
What this test detects
Diabetes mellitus
Pre-diabetes
Impaired fasting glucose
Normal ranges
Normal: 70–99 mg/dL
Pre-diabetes: 100–125 mg/dL
Diabetes: ≥ 126 mg/dL
Reference ranges vary by lab and patient demographic. Interpret with a clinician.
Sample & preparation
Sample type
Fluoride Plasma
Fasting
Yes (8-10)
Report TAT
Within 2 hours
Home collection
Available
How to prepare
1Fast for 8–10 hours overnight (water allowed)
2Avoid sugary drinks during fasting
3Take morning medicines AFTER sample collection if clinician advised
4Inform phlebotomist of insulin or oral hypoglycaemics
5Avoid heavy meal previous night
6Download report from dashboard
Frequently asked questions
What is the Fasting Blood Sugar (FBS)?
Fasting Blood Sugar (FBS) measures your blood glucose after an 8–10 hour overnight fast. It is a standard, reliable test for diagnosing and monitoring diabetes and pre-diabetes, often paired with HbA1c.
What conditions does the Fasting Blood Sugar (FBS) detect?
The Fasting Blood Sugar (FBS) helps detect and monitor conditions including Diabetes mellitus, Pre-diabetes, Impaired fasting glucose.
How should I prepare for the Fasting Blood Sugar (FBS)?
Fast for 8–10 hours overnight (water allowed)|Avoid sugary drinks during fasting|Take morning medicines AFTER sample collection if clinician advised|Inform phlebotomist of insulin or oral hypoglycaemics|Avoid heavy meal previous night|Download report from dashboard
What is the normal range for the Fasting Blood Sugar (FBS)?
Normal: 70–99 mg/dL
Pre-diabetes: 100–125 mg/dL
Diabetes: ≥ 126 mg/dL Note: reference ranges may vary by laboratory and should be interpreted by your doctor in the context of your overall health.
How much does the Fasting Blood Sugar (FBS) cost?
The Fasting Blood Sugar (FBS) is available at ₹79 (MRP ₹349) on PingMeDoc with free home sample collection. Prices are inclusive of sample collection charges.
How long should I fast before a fasting blood sugar test?
Fast for 8–10 hours, usually overnight. Only plain water is allowed — avoid tea, coffee, food and sugary drinks. Give the sample in the morning before breakfast.
What is a normal fasting blood sugar level?
70–99 mg/dL is normal, 100–125 mg/dL indicates pre-diabetes, and 126 mg/dL or above on two occasions confirms diabetes.
Should I take my diabetes medicine before the test?
Follow your doctor's advice. Many people are asked to delay their morning diabetes medicine or insulin until after the blood draw to avoid a low sugar — confirm with your doctor beforehand.
Does the Fasting Blood Sugar (FBS) test require fasting?
Yes. You must fast for 8 hours before the Fasting Blood Sugar (FBS) test. You may drink water during the fasting period. Avoid alcohol for 24 hours before the test.
How much does the Fasting Blood Sugar (FBS) test cost at PingMeDoc?
The Fasting Blood Sugar (FBS) test costs ₹79 at PingMeDoc (MRP ₹349). Free home sample collection is included. NABL-accredited lab processing. Reports delivered digitally in within 2 hours.
How long does it take to get Fasting Blood Sugar (FBS) test results?
Fasting Blood Sugar (FBS) test results are typically available within within 2 hours after sample collection. You can view and download your digital report from your PingMeDoc dashboard.
What type of sample is needed for the Fasting Blood Sugar (FBS) test?
The Fasting Blood Sugar (FBS) test requires fluoride plasma. A trained phlebotomist will collect the sample at your home at your preferred time slot.
Is the Fasting Blood Sugar (FBS) test NABL accredited?
Yes. All lab tests on PingMeDoc, including the Fasting Blood Sugar (FBS) test, are processed by NABL-accredited and ISO-certified labs. Reports are reviewed and available on your dashboard.
Is home sample collection free for this test?
Yes. Home sample collection for the Fasting Blood Sugar (FBS) test is free when booking through PingMeDoc. A phlebotomist visits your home or office at your scheduled time slot.
What conditions does the Fasting Blood Sugar (FBS) test help screen for?
Fasting Blood Sugar (FBS) measures your blood glucose after an 8–10 hour overnight fast. It is a standard, reliable test for diagnosing and monitoring diabetes and pre-diabetes, often paired with HbA1c. It is commonly used for: Diabetes diagnosis, Pre-diabetes screening, Fasting glucose monitoring, Metabolic syndrome assessment.
How should I prepare for the Fasting Blood Sugar (FBS) test?
Fast for 8–10 hours before the test. Water is allowed during fasting. Take diabetes medications only as advised by your doctor. Avoid strenuous exercise the morning of the test.
Test details are for general information only and not a substitute for medical advice. Reference ranges vary between labs. Always discuss results with a registered medical practitioner before starting, stopping or changing any treatment.
₹79₹34977% OFF
Free home collection
What this test measures
1 parameters in the Fasting Blood Sugar (FBS)
The Fasting Blood Sugar (FBS) reports the following parameters. Reference ranges are typical adult values from NABL-accredited partner labs and may vary slightly by lab, age and sex — always read results with your doctor.
Fasting Blood Sugar (FBS) measures your blood glucose after an 8–10 hour overnight fast. It is a standard, reliable test for diagnosing and monitoring diabetes and pre-diabetes, often paired with HbA1c.
What conditions does the Fasting Blood Sugar (FBS) detect?
The Fasting Blood Sugar (FBS) helps detect and monitor conditions including Diabetes mellitus, Pre-diabetes, Impaired fasting glucose.
How should I prepare for the Fasting Blood Sugar (FBS)?
Fast for 8–10 hours overnight (water allowed); Avoid sugary drinks during fasting; Take morning medicines AFTER sample collection if clinician advised; Inform phlebotomist of insulin or oral hypoglycaemics; Avoid heavy meal previous night; Download report from dashboard
What is the normal range for the Fasting Blood Sugar (FBS)?
Normal: 70–99 mg/dL
Pre-diabetes: 100–125 mg/dL
Diabetes: ≥ 126 mg/dL Note: reference ranges may vary by laboratory and should be interpreted by your doctor in the context of your overall health.
How much does the Fasting Blood Sugar (FBS) cost?
The Fasting Blood Sugar (FBS) is available at Rs 79 (MRP Rs 349) on PingMeDoc with free home sample collection across India. Prices are inclusive of sample collection charges.
