Fingerstick glucose
Complete metabolic panel
Serum ketones
Serum Osmolality
Urinalysis
VBG
Aspirin/Tylenol levels
ECG
Serum<unk><unk>  level (if available)
Total CK
Osmolal gap > 10; see Osmolal or Osmolar Gap
Absence of anion gap
Absence of metabolic acidosis
Absence of serum beta hydroxybutyrate
Presence of serum and urine ketones
Consider other diagnosis if absent 2hr after ingestion
Creatinine may be falsely elevated due to acetone interference with laboratory measurement of Cr
Consider other diagnosis if absent 2hr after ingestion
Isopropyl alcohol toxicity
Starvation ketoacidosis
Methanol toxicity
Diabetic Ketoacidosis
Ethanol toxicity
Inborn errors of metabolism
Ethylene glycol toxicity
Salicylate Toxicity