40 Pa.C.S. § 7136: No waiver of privilege or confidentiality.

(a) Sharing of information by department.--The sharing of confidential information with or by the department as authorized by section 7134 (relating to use of confidential information by department) shall not constitute a waiver of any applicable privilege or claim of confidentiality in the documents, materials or information.

(b) Privilege established in other jurisdictions.--A privilege established under the law of any state or jurisdiction that is substantially similar to the privilege established under this subchapter shall be available and enforced in any proceeding in, and in any court of, this Commonwealth.