California Code, Health and Safety Code - HSC § 1399.904

A disease management organization shall not use medical information obtained pursuant to Section 1399.903 to solicit or to offer for sale to a health care service plan enrollee any products or services in the provision of disease management services to the enrollee. However, an enrollee may elect to use a disease management organization to obtain information about health care products and services and, pursuant to that election by the enrollee, the disease management organization may offer to the enrollee health care products or services that are directly related to the enrollee's condition.