The purposes of this article are to establish standards regarding unfair discrimination among individuals of the same class in the underwriting of life or disability income insurance on the basis of tests of a person’s genetic characteristics; to establish minimum standards for determining insurability which are sufficiently reliable to be used for life and disability income insurance risk classification and underwriting purposes; to require the maintenance of strict confidentiality of personal information obtained through a test of a person’s genetic characteristics; and to require informed consent before insurers underwrite on the basis of a test of a person’s genetic characteristics. This article and Sections 10140 and 10143 shall constitute the exclusive requirements for insurers’ practices relating to genetic characteristics or to tests thereof.