Biochemistry• Updated 21 October 2026

Post-Meal Blood Sugar (PPBS)

A blood test that measures sugar two hours after starting a meal.

Results: Usually within a day Specimen: Blood

Quick Summary

Primary Purpose

To see how well your body handles sugar after eating, and to monitor diabetes treatment.

What It Measures

Blood glucose two hours after a meal.

Preparation

Eat a normal meal and have blood taken two hours after you start eating.

Overview

After meals, blood sugar rises and insulin brings it back down. In diabetes, it stays high for longer.

PPBS is commonly tested in India alongside fasting sugar.

What It Measures

2-hour glucose

Sugar after a meal.

How It's Performed

  1. 01

    Preparation

    Usually no special preparation. Tell the staff about medicines you take.

  2. 02

    Blood sample

    A small amount of blood is taken from a vein in your arm with a thin needle.

  3. 03

    Afterwards

    Press on the spot for a minute. A small bruise is common; you can go back to normal activities.

Reference Ranges

Note: Normal ranges vary by laboratory. Consult your report for the specific reference used.

ParameterTypical Range (Adult)Units
NormalBelow 140mg/dL
Diabetes range200 or abovemg/dL

Interpreting Results & Next Steps

Discuss with Doctor

Results depend on what you ate; follow your lab's instructions. Normal ranges differ between laboratories, ages and sexes; always use the range printed on your report and ask your doctor what your results mean.

If values are High:

High post-meal sugar suggests diabetes or poor control.

Sources and further reading

Last updated 21 October 2026. For more detail, see these trusted health organisations.

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