Orders for Adults with DKA and Hyperglycemic Hyperosmolar State (HHS) These orders may be initiated in the Emergency Department dKA: Moderate ketonemia, arterial pH <7.3, serum glucose >250 mg/d l, serum bicarbonate <18 meq/l HHs: serum glucose >600 mg/dl, minimal ketonemia or ketonuria, serum bicarbonate >15 m eq/l, pH ≥7.3