Legal Definition of Medical Records: Written material about the patient, including office and hospital charts, X rays, laboratory data, etcetera, detailing a patient’s medical history and past and present illnesses. Medical records are the property of the physician or hospital, not the patient. However, medical records are subject to subpoena in cases involving medicolegal matters | Discover the legal definition of medical records and their significance with this comprehensive guide for business owners. Learn how medical records play a crucial role in healthcare delivery, legal matters, research, billing, and insurance purposes. Click here to understand the importance of medical records and ensure compliance with legal requirements