The prescription and performance of an examination of a person’s genetic characteristics for medical purposes, as well as the specific procedures for appropriate genetic counselling, are subject to rules of good practice defined by order of the Minister for Health, issued on a proposal from the Director General of the Agence de la biomédecine after receiving the opinion of the Agence nationale de sécurité du médicament et des produits de santé. These rules take into account the recommendations of the French National Authority for Health, in application of 2° of article L. 161-37 of the Social Security Code.