
Arrange your collection
Choose where to be tested and plan around the required sampling times. The care team will coordinate your collection schedule.
Choose collection locationDiabetes · Individual laboratory test
This order measures insulin one hour after a 75 g glucose drink. It focuses on the earlier part of the pancreas's response to glucose.
Clinical authorDr Nirupama SabhapathySpecialist Clinical Pathology
Understanding the test
Also called 1-Hour Insulin (75g Load)
A clinician may select the one-hour insulin measurement when the early response to a defined glucose load is the specific question. This is one insulin endpoint.
This endpoint looks at insulin at a defined time rather than over the full morning.
A corresponding glucose measurement helps interpret the size of the insulin response.
Before your sample
Follow the overnight fast and arrange medicine timing with your clinician. In Deira, allow one hour after the measured glucose drink plus time for the appointment.
A clinician takes a small sample of blood from a vein. The laboratory uses serum, the liquid separated from the blood after it clots.
Smart Report
24 hoursLaboratory turnaround
The result is interpreted against the time of the drink and the glucose response. It is not a substitute for the established glucose criteria used to diagnose diabetes.
From sample to follow-up

Choose where to be tested and plan around the required sampling times. The care team will coordinate your collection schedule.
Choose collection locationLook for Insulin, 1 Hour, Glucose-75 g in your report. Use the sample type and collection time when comparing it with an earlier report.
Explore Smart Report
Keep the exact drink and draw times. Ask how the one-hour insulin compares with glucose measured at that stage.
Patient questions
No. Insulin is the hormone response and glucose is the sugar being regulated. The clinician may need both to understand the pattern.
Corticosteroids and some other medicines can affect the response. If you have had bariatric surgery, tell the clinician who ordered the test before booking, especially if you get low blood sugar after meals. A glucose drink can provoke symptoms and is not recommended for diagnosing post-bariatric hypoglycaemia. Your clinician can advise on a suitable assessment.
A fasting value shows the baseline the pancreas maintains at rest, whereas the one-hour sample shows how it performs under a standardised challenge. The early surge is often the first part of the response to change, so a resting measurement can look unremarkable while the dynamic response is already abnormal.
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Written by Dr Nirupama Sabhapathy, Specialist Clinical Pathology. Medically reviewed by Dr Joyce Jose, Specialist Clinical Pathology, on .
Catalogue information and AED price checked on 2 November 2026. Clinical suitability, preparation, collection arrangements and turnaround are confirmed for your selected test.