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From Arlington, Texas, USA:

I have type 2 diabetes and have noticed that my 13 year old daughter seems to drink also urinate a lot. What glucose level is normal if I test her with my home glucose meter? How long should she fast before and how long after a meal should she wait before testing?


Home blood glucose monitoring equipment is not accurate enough for diagnosing diabetes. If you think your daughter may have diabetes, then she should be seen, examined and assessed by a qualified professional.


[Editor's comment: Testing for diabetes should include blood sugar levels performed by a medical laboratory. The timing of the sample (fasting, random, or postprandial) would influence how high a level is considered abnormal. See Classification and Diagnosis of Diabetes for further information.

Occasionally, lab blood sugar testing might be normal in an early case of diabetes, repeat blood sugar testing at the same or a different time, or performing a glucose tolerance test, might be appropriate if there is a high suspicion of diabetes despite normal initial testing. Another test, the glycosylated hemoglobin, might be used to help confirm a suspected diagnosis of diabetes, but the GHB (also called HbA1c or A1c) is not usually considered as appropriate to make an initial diagnosis. Antibody testing is occasionally done as a screening test in high-risk situations, or as confirmatory of type 1A (autoimmune) diabetes, but is not part of routine testing.

Home glucose testing, if done, might be positive, which would make the situation more urgent to get lab testing done to confirm the abnormal results. However, urine or home glucose testing, if negative, would not exclude diabetes. WWQ]

Original posting 11 Jul 2002
Posted to Diagnosis and Symptoms


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Last Updated: Tuesday April 06, 2010 15:09:36
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