<qa>  What is the definition of a fasting blood glucose?- Participants with history of or current screening evaluation of hyperglycemia as defined by an 8-hour fasting blood glucose FBG of 126 mgdL, or of CF-related diabetes as determined according to the Cystic Fibrosis Foundation CFF Consensus Conference of January 1999 Section IX Part II, that is: a FBG 126 mgdL 7.0 millimoles per liter mmolL on two or more occasions bFBG 126 mgdL 7.0 mmolL plus casual without regard to time of day or last meal consumed glucose level 200 mgdL 11.1 mmolL cCasual previously called random glucose levels 200 mgdL 11.1 mmolL on two or more occasions with symptoms 