Aa
A
A
Close
Avatar universal
Question about an OGTT
Hi,

I have a question regarding the OGTT (75 g) test.
I know that if the 2 hour level is above 11 mmol/l (200 mg/dl) it could mean diabetes.
But what about the 1 hour level? What if it is also above 11 mmol/l (200 mg/dl) ?

On the dlife website i have found the following information, but it only says the 1 hour level usually peaks at 160 180 mg/dl (8.89 10 mmol/l), but i wonder if it is above it, it could mean diabetes? Especially if it is above 11 mmol/l (200 mg/dl).

"On average, normal glucose levels typically peak at 160 180 mg/dl (8.89 10 mmol/l) from 30 minutes to 1 hour after administration of the oral glucose dose, and should then return to fasting levels of 140 mg/dl (7.78 mmol/l) or less within a 2- to 3-hour period."

thank you for your help!

Cancel
2 Answers
Page 1 of 1
1711789 tn?1361311607
Hi there!

A single elevated level is not diagnostic of diabetes. Two or more values need to be elevated for a diagnosis. The cut off values are Fasting: 100 <100 mg/ dl, 1hr <200 mg/ dl and 2hr <140 mg/ dl.
Hope the information is helpful.

Take care!
Comment
Cancel
1711789 tn?1361311607
Comment
Comment
Submit Comment
Avatar universal
If the blood sugar peaks to higher levels after eating wouldn't that affect the A1C test?  How does the A1C test work, does it average out your blood sugar throughout the day or as soon as it peaks to high levels that is what the A1C test shows?  I am so mixed up regarding these tests.
Comment
Cancel
Avatar universal
Comment
Comment
Submit Comment
Your Answer
Avatar universal
Answer
Know how to answer? Tap here to leave your answer...
Answer
Submit Answer
A
A
Blank
Diabetes Tracker
Track glucose levels, and other diabetes measurements, symptoms and medications
Start Tracking Now
Blank
Weight Tracker
Track your weight
Start Tracking Now
Recent Activity
296076 tn?1371338074
Blank
melimeli commented on veronica0808's status
14 hrs ago
296076 tn?1371338074
Blank
melimeli commented on Belle313's status
21 hrs ago
3060903 tn?1398568723
Blank
Nighthawk61 commented on mishymoshymarcy's status
May 26
Diabetes - Type 2 Community Resources
Top Diabetes Answerers
Avatar m tn
Blank
diabetes86
MA
144586 tn?1284669764
Blank
caregiver222