Postprandial Blood Sugar(PPBS)

Price: Rs. 90.00 Rs. 200.00

Sample Type: Blood

Fasting Not Required

Booking Procedure:

1. Technician from Thyrocare will be assigned for a free home sample collection after booking confirmation.
2. Sample will be collected by our technician at your address at given slot.
3. You will get a payment link in 2 hours. You can make the payment online or pay cash to the technician.
4. Soft copy reports will be sent to your email address within 24 to 48 hours.

Frequently Asked Questions (FAQ's):

1. What is the Postprandial Blood Sugar (PPBS) test and how is it different from FBS? The Postprandial Blood Sugar test (PPBS) measures the level of glucose in your blood exactly 2 hours after a regular meal. While the Fasting Blood Sugar (FBS) test shows your glucose level after 8–12 hours of fasting, the PPBS test reveals how your body handles glucose after eating. Together they give a complete picture — FBS shows your baseline, and PPBS shows your post-meal response. The Thyrocare PPBS test often catches diabetes earlier than FBS in many Indian patients, particularly those with high-carbohydrate diets, because post-meal glucose spikes are an earlier sign of insulin resistance than morning fasting values.

2. How do I take the PPBS test correctly — what should I eat before it? The PPBS test requires a specific 2-step protocol. First, you eat your normal regular meal (lunch or breakfast) at home — there is no need for a special test meal in standard PPBS testing. Start a timer the moment your first bite of food enters your mouth. Exactly 2 hours later (not 90 minutes, not 3 hours), the blood sample is drawn by the Thyrocare phlebotomist. Do not eat, snack, drink anything sweet, smoke or chew gum in between. Plain water is allowed. Continue prescribed medication including diabetes medicines. The accuracy of PPBS depends entirely on this 2-hour timing being precise.

3. What is the normal range for Postprandial Blood Sugar? The standard reference ranges used by Thyrocare and other NABL-accredited labs in India for PPBS are: below 140 mg/dL is normal, 140 to 199 mg/dL indicates impaired glucose tolerance (pre-diabetes), and 200 mg/dL or above on two occasions confirms diabetes. For pregnant women, stricter cut-offs apply — the gestational target is usually kept below 120 mg/dL. Your Thyrocare PPBS report on bookmytest.co.in displays the value with colour-coded interpretation, and the complimentary doctor consultation included with most bookings helps you interpret borderline values in the context of your medical history.

4. Why is the post-meal blood sugar check more important for some people than fasting? A significant percentage of Indian adults develop "isolated postprandial hyperglycaemia" — meaning their FBS reads completely normal but their PPBS is elevated. This pattern is particularly common with rice-heavy, roti-heavy and sugar-heavy Indian diets, which trigger sharp post-meal glucose spikes long before fasting glucose drifts upward. Relying only on FBS in these cases gives a false sense of safety. The Thyrocare PPBS test is one of the most reliable ways to catch this hidden early-stage diabetes, which is why many endocrinologists in India recommend both tests together rather than FBS alone.

5. Can my FBS be normal while my PPBS is abnormal? Yes, and this is one of the most clinically important reasons to do the PPBS test. Isolated postprandial hyperglycaemia — normal fasting blood sugar combined with elevated post-meal blood sugar — is an early sign of insulin resistance and Type 2 diabetes development, and it can persist for years before the FBS finally drifts above normal. People with strong family history of diabetes, abdominal obesity, sedentary lifestyle or PCOD are especially prone to this pattern. If your FBS keeps reading normal but you have symptoms, ask for a Thyrocare PPBS test or an HbA1c to get the full picture.

6. How long after a meal should the PPBS test be done — exactly 2 hours or flexible? Exactly 2 hours after the first bite of your meal. The post-meal blood glucose curve in healthy individuals peaks at around 60–90 minutes after eating and returns close to baseline by 2 hours. In people with diabetes or pre-diabetes, the value remains elevated at the 2-hour mark — which is why this specific timing is the global standard followed by Thyrocare and every accredited diagnostic lab worldwide. Drawing the sample at 90 minutes can give falsely high readings, and drawing at 3 hours can miss the abnormality entirely. Use a stopwatch or phone timer to be precise.

7. Why is PPBS critical for ongoing diabetes monitoring? For people already diagnosed with diabetes, PPBS is one of the most informative routine tests because it directly measures how well your diet and medication are controlling post-meal glucose. A high PPBS even on medication can indicate that your treatment needs adjustment, that your meal portions or carbohydrate balance need changing, or that you are eating foods with a high glycaemic load. Many endocrinologists in India recommend tracking PPBS along with FBS and HbA1c to fine-tune diabetes management — and bookmytest.co.in offers Thyrocare diabetes monitoring packages combining all three at significantly lower combined cost.

8. How important is PPBS in pregnancy and gestational diabetes screening? Extremely important. Gestational diabetes — diabetes that develops during pregnancy — is often missed by FBS alone because pregnant women can have normal fasting glucose while still having dangerously elevated post-meal spikes. Indian gynaecologists routinely order a Thyrocare PPBS test or an OGTT (Oral Glucose Tolerance Test) between weeks 24 and 28 of pregnancy to catch gestational diabetes early. Stricter cut-offs apply during pregnancy (typically below 120 mg/dL for PPBS), and the test should always be done under the guidance of the treating gynaecologist.

9. What does an elevated Postprandial Blood Sugar level indicate in a known diabetic? For an already-diagnosed diabetic, an elevated PPBS reading typically signals one or more of: meal portions or carbohydrate load too high, current medication or insulin dose needs adjustment, missed medication that day, recent illness or stress, poor sleep affecting glucose regulation, or simply that the meal eaten before the test was higher in sugar than usual. A single high PPBS is not always a reason to panic — but consistently high readings across multiple Thyrocare PPBS tests are a strong signal to revisit your treatment plan with your physician or diabetologist.

 10. Can the Thyrocare PPBS test be done at home anywhere in India? Yes, the Thyrocare PPBS test is widely available with free home sample collection across 4,000+ pincodes in India, covering all major metro cities, tier-2 cities and most tier-3 towns. After booking on bookmytest.co.in, you eat your meal at home, start the 2-hour timer, and a trained Thyrocare phlebotomist arrives exactly at the 2-hour mark for the blood collection. This makes home collection actually more accurate than a lab visit for PPBS, because travel time after the meal can otherwise distort the precise 2-hour timing the test requires. Digital reports arrive on email and WhatsApp within 6 hrs after sample reaches to lab