Description: This paper proposes a method of determination of critical length of service in development of professionally conditioned allergical dermatosis developing in the conditions of harmful production. The algorithm of possibility estimation of risk reduction of development of the professionally conditioned diseases is offered. Realization of method and algorithm in an expert system based on fuzzy logic is described. Proposed approach will give an opportunity to increase efficiency of on-the-spot prophylactic examinations. Also it can be used for the conclusion of medical insurance policy on an enterprise.
Keywords: the professionally conditioned diseases, risk factors, risk estimation, fuzzy expert system, critical length of service, possibility estimation of risk reduction