HbA_1c for Diabetes Diagnosis Now Mainstream : International Expert Committee's consensus opinion endorsed by three major U.S. associations.

Dr. Bergenstal has held stock in Merck & Co. and participated in research or consulted for Abbott Diabetes Care, Amylin Pharmaceuticals, Bayer, Eli Lilly & Co., Intuity Medical, Lifescan (Johnson & Johnson), Mannkind, Medtronic, Merck, Novo Nordisk, ResMed, Roche Diagnostics Corp., Sanofi-Aventis, Pfizer, and Takeda Pharmaceuticals.

If tests are inconclusive, a patient 'who is obviously on the edge' should be retested again in 3–6 months.

Source DR. BERGENSTAL