Del. Code tit. 18 § 6412
Any data or information pertaining to the diagnosis, treatment or health of any enrollee or applicant obtained from such person or from any health care provider by any managed care organization shall be held in confidence and shall not be disclosed to any person except upon the express consent of the enrollee or applicant, or the enrollee's or applicant's physician, or pursuant to statute or court order for the production of evidence or the discovery thereof, or in the event of claim or litigation between such person and the managed care organization wherein such data or information is pertinent. The communication of such data or information from a health care provider to a managed care organization shall not prevent such data or information from being deemed confidential for purposes of the Delaware Uniform Rules of Evidence.
18 Del. C. § 6412