Last Updated: 2026 | Fasting Required: Yes (8–12 Hours) | Report Time: Same Day
Are you looking for the OGTT test price in Bangladesh? You are in the right place. This page gives you the latest 2026 price list for major diagnostic centres, step-by-step test procedure, preparation rules, and normal values — everything in one place.
Quick Answer: OGTT test price at Popular Diagnostic Centre starts from 230 BDT (2.5-hour test) to 650 BDT (full test). Government hospitals charge approximately 200 BDT.
OGTT Test Price in Bangladesh 2026 — Complete Price Table
| Diagnostic Centre / Hospital | Test Type | Price (BDT) |
|---|---|---|
| Popular Diagnostic Centre | Glucose Tolerance Test (2.5 hrs) | 230 |
| Popular Diagnostic Centre | Glucose Tolerance Test (Full) | 650 |
| Popular Diagnostic Centre | Glucose Tolerance Test (3 hrs) | 230 |
| Government Hospital | Standard OGTT | 200 |
| Ibn Sina Hospital | ||
| Square Hospital | ||
| Labaid Diagnostic | ||
Prices may vary slightly by branch and city. Always call ahead to confirm before visiting.
Table of Content
What Is the OGTT Test?
The OGTT (Oral Glucose Tolerance Test) is a diagnostic blood test that measures how efficiently your body processes glucose (sugar). After drinking a standard glucose solution, blood samples are collected at timed intervals to track how your blood sugar rises and falls.
This test is one of the most reliable methods for diagnosing gestational diabetes, type 2 diabetes, and prediabetes — conditions that affect millions of people in Bangladesh and worldwide.
For a detailed Bengali explanation of the OGTT test, visit our Bengali guide: OGTT টেস্ট বিস্তারিত বাংলায়
Why Do Doctors Recommend the OGTT Test?
Doctors order this test for several important medical reasons:
1. Gestational Diabetes Screening Pregnant women are routinely tested between weeks 24–28 of pregnancy. Undetected gestational diabetes can pose serious health risks for both the mother and the baby, including complications during delivery and higher risk of developing type 2 diabetes later in life.
2. Diabetes and Prediabetes Diagnosis When fasting blood glucose or HbA1c results are borderline, the OGTT gives a clearer picture of how the body handles sugar under real conditions. It can catch prediabetes early — when lifestyle changes can still reverse the condition.
3. Monitoring Blood Sugar Control For patients already managing diabetes, this test helps evaluate whether current treatment — medications, insulin, or dietary adjustments — is working effectively.
4. Assessing Glucose Metabolism Disorders If you experience symptoms such as unusual fatigue, excessive thirst, frequent urination, or unexplained weight changes, your doctor may order an OGTT to rule out underlying glucose metabolism problems.
How to Prepare for the OGTT Test
Proper preparation is critical. Incorrect preparation leads to inaccurate results and the test may need to be repeated.
- Fast for 8 to 12 hours before the test. Water is allowed, but no food, juice, or sweetened drinks.
- Avoid high-sugar or high-carbohydrate foods on the evening before the test. These foods elevate baseline glucose levels.
- Do not exercise or do strenuous physical activity on the morning of the test. Exercise lowers blood glucose and will affect the result.
- Consult your doctor about medications. Some medicines — including steroids and certain blood pressure drugs — interfere with glucose readings. Do not stop any medication without medical advice.
- Inform the lab if you feel nauseous or vomit after drinking the glucose solution, as this will affect the validity of the result and the test may need to be rescheduled.
OGTT Test Procedure — Step by Step
The OGTT is conducted in three stages over approximately 2.5 to 3 hours:
| Stage | Timing | What Happens |
|---|---|---|
| Sample 1 (Fasting) | Before glucose drink | Blood drawn + urine sample collected |
| Glucose Drink | Immediately after | Patient drinks 75g glucose solution |
| Sample 2 (1 Hour) | 1 hour after glucose | Blood drawn + urine sample collected |
| Sample 3 (2 Hours) | 2 hours after glucose | Blood drawn + urine sample collected |
Each blood and urine sample is analysed separately, and the final report includes all three results together. The urine samples are tested for glucose using Benedict’s solution or a urine dipstick strip.
What Sample Is Used for the OGTT Test?
| Detail | Information |
|---|---|
| Blood Tube | Gray-top tube (sodium fluoride/potassium oxalate) |
| Sample Type | Plasma or Serum |
| Additional Sample | Urine (collected at each stage) |
| Note | If a red-top tube is used, the sample must be processed immediately to avoid false results |
OGTT Test Report Delivery Time
| Report Type | Delivery Time |
|---|---|
| Normal Report | 6–8 hours after final sample |
| Maximum Waiting Time | 1 day (same day for most labs) |
| Machine Processing Time | 8–20 minutes per sample |
Modern automated analysers — such as the Beckman Coulter, Vitros, Dimension, and Cobas systems — process each sample in under 15 minutes. However, since three timed samples must be collected over 2.5–3 hours, the overall process takes time before results can be compiled and reported.
OGTT Normal Range — What Do the Results Mean?
| Test Condition | Normal (mg/dL) | Prediabetes (mg/dL) | Diabetes (mg/dL) |
|---|---|---|---|
| Fasting | Less than 100 | 100–125 | 126 or above |
| 1 Hour After Glucose | Less than 180 | — | — |
| 2 Hours After Glucose | Less than 140 | 140–199 | 200 or above |
Important: These values are general guidelines. Your diagnostic centre’s reference range and your doctor’s clinical assessment should always take priority in interpreting your result.
Who Should Get the OGTT Test?
This test is especially recommended for:
- Pregnant women (gestational diabetes screening)
- People with a family history of diabetes
- Individuals who are overweight or obese
- People experiencing symptoms of high blood sugar (fatigue, thirst, frequent urination)
- Anyone with a previous fasting glucose result in the prediabetes range
- Patients being monitored for diabetes treatment effectiveness
Important Cautions During the Test
- If you are delayed in giving a blood sample at the scheduled time, inform the lab immediately.
- Vomiting after the glucose drink invalidates the test — the procedure will need to be restarted on another day.
- Avoid smoking during the test period.
- Stay seated and rest during the waiting periods between samples. Physical activity changes glucose metabolism and affects results.
Frequently Asked Questions (FAQ)
Q: What is the OGTT test price at Popular Diagnostic Centre in Bangladesh?
Popular Diagnostic Centre charges 230 BDT for the 2.5-hour and 3-hour versions, and 650 BDT for the full Glucose Tolerance Test (2026 price).
Q: Do I need to fast before the OGTT test?
Yes. You must fast for a minimum of 8 hours and ideally up to 12 hours before the test. Water is allowed.
Q: How long does the entire OGTT test take?
The full test takes approximately 2 hours and 30 minutes to 3 hours, as blood samples are collected at specific timed intervals.
Q: Is the OGTT test used only for diabetes?
No. It is also used to screen for gestational diabetes in pregnant women, monitor glucose control in diabetic patients, and assess prediabetes risk in at-risk individuals.
Q: Can I drink water during the OGTT test?
Yes, plain water is allowed. Avoid any sugary drinks, tea, or coffee during the test period.
Q: Is the OGTT test available at government hospitals in Bangladesh?
Yes. Government hospitals offer the OGTT test at approximately 200 BDT, though waiting times may be longer than private centres.
Q: What happens if I vomit after drinking the glucose solution?
If you vomit, the test result will be unreliable. Inform the lab staff immediately. The test will need to be rescheduled on a different day.
Q: How is the urine sample used in the OGTT test?
A urine sample is collected alongside each blood sample. It is tested for the presence of glucose using Benedict’s solution or a urine dipstick, which helps provide a more complete picture of how your kidneys are handling blood sugar levels.
Summary — OGTT Test at a Glance
| Detail | Information |
|---|---|
| Full Name | Oral Glucose Tolerance Test |
| Purpose | Diagnose diabetes, prediabetes, and gestational diabetes |
| Fasting Required | Yes — 8 to 12 hours |
| Number of Samples | 3 blood + 3 urine |
| Total Test Duration | 2.5 to 3 hours |
| Report Delivery | Same day (6–8 hours) |
| Price at Popular Diagnostic | 230 BDT – 650 BDT |
| Government Hospital Price | ~200 BDT |
Also read: CRP Test Price in Bangladesh 2026 | HbA1c Test Details
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