| Traditional sliding-scale insulin should be abandoned as the sole means of controlling blood glucose levels in hospitalized patients. | B | 7, 8, 911, 14 |
| Physiologic subcutaneous insulin protocols with basal, nutritional, and correctional components should be used for patients with diabetes mellitus who are hospitalized (non-ICU). | B | 18, 20, 21, 22 |
| Long-acting insulin should be used for physiologic basal insulin. | B | 18, 19, 20, 21, 22 |
| Short-acting insulin should be used for physiologic nutritional and correctional insulin. | B | 18, 20, 21, 22 |
| Discontinuing outpatient oral diabetic medications should be considered upon hospitalization of patients who are not in an ICU. | C | 8, 24, 26 |
| Insulin therapy should be continued upon hospital discharge of capable patients already on two or more oral diabetic medications and with an admission A1C greater than 10 percent. | C | 6, 21, 23 |
| An A1C level should be obtained upon admission if none performed within the past 30 days. | C | 7, 8, 18, 21 |