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OGTT (Oral Glucose Tolerance Test)

Also known as: OGTT

  • Blood
  • Same day / 24 hours
  • Home pickup
  • Fasting needed

The Oral Glucose Tolerance Test (OGTT) checks how your body processes a measured sugar drink over time. It is the most sensitive test for impaired glucose tolerance and is widely used to screen for gestational (pregnancy) diabetes.

Clinical use cases

Why doctors order it
  • Diabetes diagnosis
  • Gestational diabetes
  • Impaired glucose tolerance
  • Diabetes mellitus
  • Diagnoses diabetes & IGT
  • Gestational diabetes screening

About this test

The Oral Glucose Tolerance Test (OGTT) checks how your body processes a measured sugar drink over time. It is the most sensitive test for impaired glucose tolerance and is widely used to screen for gestational (pregnancy) diabetes.

Clinical significance

After a fasting sample, you drink a standard glucose solution and sugar is measured at intervals (commonly 1 and 2 hours). It detects diabetes and pre-diabetes that fasting tests may miss and is the standard screen for gestational diabetes, helping protect both mother and baby.

Get tested if you have these symptoms

  • Pregnancy (routine GDM screening)
  • Borderline fasting sugar results
  • Family history of diabetes, PCOS or previous GDM
  • Overweight with risk factors

What results can help assess

Results are one input a doctor uses alongside your symptoms and history. An abnormal result may prompt further tests rather than confirm any of these on its own.

  • Gestational diabetes
  • Impaired glucose tolerance
  • Diabetes mellitus

Typical reference ranges

Fasting: < 100 mg/dL

2-hour: < 140 mg/dL normal

2-hour diabetes: ≥ 200 mg/dL

Indicative only. Reference ranges differ by age, sex, laboratory, assay and method. Your report carries the range used for your sample. Interpret results with a clinician.

Sample & preparation

Sample type

Blood (Multiple Draws)

Fasting

Yes

Report TAT

Same day / 24 hours

Home collection

Available

How to prepare

  1. 1Fasting required
  2. 2Remain seated during test

Frequently asked questions

What is the OGTT (Oral Glucose Tolerance Test)?

The Oral Glucose Tolerance Test (OGTT) checks how your body processes a measured sugar drink over time. It is the most sensitive test for impaired glucose tolerance and is widely used to screen for gestational (pregnancy) diabetes.

What conditions does the OGTT (Oral Glucose Tolerance Test) detect?

The OGTT (Oral Glucose Tolerance Test) helps detect and monitor conditions including Gestational diabetes, Impaired glucose tolerance, Diabetes mellitus.

How should I prepare for the OGTT (Oral Glucose Tolerance Test)?

Fasting required; remain seated during test

What is the normal range for the OGTT (Oral Glucose Tolerance Test)?

Fasting: < 100 mg/dL 2-hour: < 140 mg/dL normal 2-hour diabetes: ≥ 200 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 OGTT (Oral Glucose Tolerance Test) cost?

The OGTT (Oral Glucose Tolerance Test) is available at ₹689 (MRP ₹2019) on PingMeDoc™ with free home sample collection. Prices are inclusive of sample collection charges.

How long does the OGTT take?

Plan for about 2–3 hours. After a fasting sample, you drink a glucose solution and further samples are taken (commonly at 1 and 2 hours), so you'll need to stay at the lab between draws.

Why is OGTT used in pregnancy?

It is the standard screen for gestational diabetes, which often causes no symptoms but can affect mother and baby. Detecting and treating it early helps ensure a healthy pregnancy.

Does the OGTT (Oral Glucose Tolerance Test) test require fasting?

Yes. You must fast for 8 hours before the OGTT (Oral Glucose Tolerance Test) test. You may drink water during the fasting period. Avoid alcohol for 24 hours before the test.

How much does the OGTT (Oral Glucose Tolerance Test) test cost at PingMeDoc?

The OGTT (Oral Glucose Tolerance Test) test costs ₹689 at PingMeDoc (MRP ₹2019). Free home sample collection is included. NABL-accredited lab processing. Reports delivered digitally in same day / 24 hours.

How long does it take to get OGTT (Oral Glucose Tolerance Test) test results?

OGTT (Oral Glucose Tolerance Test) test results are typically available within same day / 24 hours after sample collection. You can view and download your digital report from your PingMeDoc dashboard.

What type of sample is needed for the OGTT (Oral Glucose Tolerance Test) test?

The OGTT (Oral Glucose Tolerance Test) test requires blood (multiple draws). A trained phlebotomist will collect the sample at your home at your preferred time slot.

Is the OGTT (Oral Glucose Tolerance Test) test NABL accredited?

Yes. All lab tests on PingMeDoc, including the OGTT (Oral Glucose Tolerance Test) 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 OGTT (Oral Glucose Tolerance Test) test is free when booking through PingMeDoc. A phlebotomist visits your home or office at your scheduled time slot.

What conditions does the OGTT (Oral Glucose Tolerance Test) test help screen for?

The Oral Glucose Tolerance Test (OGTT) checks how your body processes a measured sugar drink over time. It is the most sensitive test for impaired glucose tolerance and is widely used to screen for gestational (pregnancy) diabetes. It is commonly used for: Gestational (pregnancy) diabetes screening, Diagnosing impaired glucose tolerance, Detecting early diabetes.

How should I prepare for the OGTT (Oral Glucose Tolerance Test) test?

Fast for 8–10 hours before the test (water allowed). Plan for 2–3 hours at the lab — multiple samples are taken. Eat normally for a few days before; don't restrict carbs. Stay seated and avoid smoking during the test.

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Medical disclaimer

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.

₹689₹2,01966% OFF

Free home collection

What this test measures

3 parameters in the OGTT (Oral Glucose Tolerance Test)

The OGTT (Oral Glucose Tolerance Test) reports the following parameters. These are this lab’s own reference ranges: the same ones your result is reported against, not a generic table. Adult values are shown; where a range differs by age, the range for your age is applied automatically when the result is released. Always read results with your doctor.

ParameterReference rangeUnitLOINC
Glucose — Fasting (0 min)70 – 99mg/dL1558-6
Glucose — 1 hour< 180mg/dL20438-8
Glucose — 2 hours< 140mg/dL20436-2

Understanding your results

What high or low results may mean

For the parameter below, here is what a value outside the reference range may be associated with. These are general, textbook associations: a result outside the range is not a diagnosis on its own.

ParameterIf higher than rangeIf lower than range
Glucose — Fasting (0 min)A high fasting blood sugar may point to pre-diabetes or diabetes and is usually confirmed with repeat testing.A low fasting blood sugar (hypoglycaemia) may relate to prolonged fasting, certain medicines, or less commonly other conditions.

Reference ranges vary by laboratory, age, sex and method, and results must be interpreted together and in the context of your health. This information is educational and is not a diagnosis or medical advice, always discuss your report with your doctor.

Health concerns this test helps with

OGTT (Oral Glucose Tolerance Test) price across India

Same transparent price in every city

The OGTT (Oral Glucose Tolerance Test) is 689 in every city we serve, no city surcharge, no hidden fees, and free home sample collection included. Tap your city to book with a NABL-accredited partner lab.

CityPriceHome collectionBook
OGTT (Oral Glucose Tolerance Test) in Chennai689FreeBook in Chennai
OGTT (Oral Glucose Tolerance Test) in Bengaluru689FreeBook in Bengaluru
OGTT (Oral Glucose Tolerance Test) in Hyderabad689FreeBook in Hyderabad
OGTT (Oral Glucose Tolerance Test) in Mumbai689FreeBook in Mumbai
OGTT (Oral Glucose Tolerance Test) in Delhi689FreeBook in Delhi
OGTT (Oral Glucose Tolerance Test) in Pune689FreeBook in Pune
OGTT (Oral Glucose Tolerance Test) in Kolkata689FreeBook in Kolkata
OGTT (Oral Glucose Tolerance Test) in Ahmedabad689FreeBook in Ahmedabad
OGTT (Oral Glucose Tolerance Test) in Jaipur689FreeBook in Jaipur
OGTT (Oral Glucose Tolerance Test) in Lucknow689FreeBook in Lucknow
OGTT (Oral Glucose Tolerance Test) in Kochi689FreeBook in Kochi
OGTT (Oral Glucose Tolerance Test) in Coimbatore689FreeBook in Coimbatore
OGTT (Oral Glucose Tolerance Test) in Visakhapatnam689FreeBook in Visakhapatnam
OGTT (Oral Glucose Tolerance Test) in Surat689FreeBook in Surat
OGTT (Oral Glucose Tolerance Test) in Indore689FreeBook in Indore
OGTT (Oral Glucose Tolerance Test) in Chandigarh689FreeBook in Chandigarh

Uniform, transparent pricing is our policy, you pay the same ₹689 for the OGTT (Oral Glucose Tolerance Test) whether you book in a metro or a smaller city, with home collection always free.

OGTT (Oral Glucose Tolerance Test): Quick facts

Sample type
Blood (Multiple Draws)
Fasting
Yes (8–10 Hrs)
Report TAT
Same day / 24 hours
Price
₹689 (MRP ₹2019)
Home collection
Available across India

Clinical Significance

  • After a fasting sample
  • you drink a standard glucose solution and sugar is measured at intervals (commonly 1 and 2 hours). It detects diabetes and pre-diabetes that fasting tests may miss and is the standard screen for gestational diabetes
  • helping protect both mother and baby.

Get the OGTT (Oral Glucose Tolerance Test) if you have these symptoms

  • Pregnancy (routine GDM screening)
  • Borderline fasting sugar results
  • Family history of diabetes, PCOS or previous GDM
  • Overweight with risk factors

Frequently Asked Questions

What is the OGTT (Oral Glucose Tolerance Test)?

The Oral Glucose Tolerance Test (OGTT) checks how your body processes a measured sugar drink over time. It is the most sensitive test for impaired glucose tolerance and is widely used to screen for gestational (pregnancy) diabetes.

What conditions does the OGTT (Oral Glucose Tolerance Test) detect?

The OGTT (Oral Glucose Tolerance Test) helps detect and monitor conditions including Gestational diabetes, Impaired glucose tolerance, Diabetes mellitus.

How should I prepare for the OGTT (Oral Glucose Tolerance Test)?

Fasting required; remain seated during test

What is the normal range for the OGTT (Oral Glucose Tolerance Test)?

Fasting: < 100 mg/dL 2-hour: < 140 mg/dL normal 2-hour diabetes: ≥ 200 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 OGTT (Oral Glucose Tolerance Test) cost?

The OGTT (Oral Glucose Tolerance Test) is available at ₹689 (MRP ₹2019) on PingMeDoc with free home sample collection across India. Prices are inclusive of sample collection charges.