A high hemoglobin A1C, or A1C, shows your body has difficulty regulating glucose levels. When your A1C is too high, you are at greater risk of diabetes complications such as kidney disease, ...

The first part assessed the prevalence of hypercortisolism by screening 1057 patients with difficult-to-control type 2 diabetes, defined as hemoglobin A1c greater than 7.5 percent despite receiving ...