Increased "Anion gap' is a characteristic feature of-
Increased anion gap acidosis : Ketoacidosis Lactic acidosis Salicylate overdose Methanol Ref Davidson 23rd edition pg 346
Hyperosmolar non-ketotic diabetic coma
Hypoglyoaemic coma
Phenformin toxicity with coma
Renal tubulae acidosis
Fluid and electrolytes