Ariz. Rev. Stat. § 12-2294
C. A health care provider may disclose medical records or payment records or the information contained in medical records or payment records and a clinical laboratory may disclose clinical laboratory results without the written authorization of the patient or the patient's health care decision maker as otherwise authorized by state or federal law, including the health insurance portability and accountability act privacy standards (45 Code of Federal Regulations part 160 and part 164, subpart E), or as follows:
D. A health care provider may disclose a deceased patient's medical records or payment records or the information contained in medical records or payment records to the patient's health care decision maker at the time of the patient's death. A health care provider also may disclose a deceased patient's medical records or payment records or the information contained in medical records or payment records to the personal representative or administrator of the estate of a deceased patient, or if a personal representative or administrator has not been appointed, to the following persons in the following order of priority, unless the deceased patient during the deceased patient's lifetime or a person in a higher order of priority has notified the health care provider in writing that the deceased patient opposed the release of the medical records or payment records: