There is no need to treat the glucose "number" (i.e. nonketotic hyperglycemia in the emergency setting (i.e. with insulin)
Higher discharge glucose levels are not associated with a greater risk of repeated ED visits, hospitalization, or other adverse outcomes.
For hyperosmolar hyperglycemic state, DKA, or another specific process see that particular page
Higher discharge glucose levels are not associated with a greater risk of repeated ED visits, hospitalization, or other adverse outcomes.
1st line: Metformin 500mg BID → 1000mg BID, do not give in people with abnormal LFT's, CHF Stage 3/4 and ARI, CKD
2nd Agent: Glipizide start 2.5mg BID → 5mg BID, need to monitor for hypoglycemia
3rd Agent: Pioglitazone
After 3 agents: need to start insulin if not controlled
NPH BID or Lantus Qday (0.1 to 0.2mg/kg) and titrate to Fasting Blood Sugar
NPH BID or Lantus Qday (0.1 to 0.2mg/kg) and titrate to Fasting Blood Sugar
Diabetes mellitus 
Physiologic stress response 
Hypertension 
Metabolic syndrome
Nonketotic hyperglycemia
Diabetes medications
Hyperosmolar hyperglycemic state 
Peripheral artery disease