FIELD: medicine. SUBSTANCE: method involves determining stomach contents evacuation rate in consuming in series radioactively marked carbohydrate, protein and fat breakfasts. Reference level of adaptation compensation state is determined under condition of changing evacuation rate of test breakfasts in the protein, carbohydrate, fat succession order. Disturbed test breakfast evacuation differentiation being the case, gastro-pancreato-enteral complex decompensation is considered to be diagnosed. EFFECT: simplified and accelerated method. 6 dwg, 1 tbl
