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Clin Lab Haematol. 2005 Oct;27(5):334-5.

Falsely high glycated haemoglobin [HbA1C] because of haemoglobin OSU-Christiansborg.

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Centre for Diabetes and Endocrinology, Department of Haematology, Barnsley District General Hospital, Barnsley, UK.


Glycated haemoglobin (HbA1c) is routinely used to assess the degree of glycaemic control in diabetic patients. We report a case of a 73 year old diabetic woman who had an elevated HbA1c of 13.4%. She was on maximum oral hypoglycaemic agents and was commenced on insulin. However, her HbA1c continued to remain high at 20.4%. Subsequent tests revealed that she had a haemoglobin variant, Haemoglobin Osu-Christiansborg, causing the falsely high glycated haemoglobin.

[Indexed for MEDLINE]

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