Silver Book Fact
Three-year (1993-1995) estimates of medical care charges for patients with diabetes ranged from $10,439 for those without comorbid conditions to $44,417 for those with heart disease and hypertension.
Gilmer T, O'Connor P, Manning W, Rush W. The Cost to Health Plans of Poor Glycemic Control. Diabetes Care. 1997; 20(12): 1847-53. http://care.diabetesjournals.org/content/20/12/1847.abstract