Pre-diabetes.

Pre-diabetes is the situation of having chronically high blood sugars but not meeting diagnostic criteria for diabetes. Many steps can be taken to delay or prevent the onset of diabetes in people with this condition. In general, the aviation medical examiner can issue a certificate to these airmen, but HbA1c readings greater than 6.0 should prompt further workup. The use of medications for pre-diabetes (such as metformin or acarbose) will require the submission of clinical information to the Aerospace Medical Certification Division.