1. “Health care provider” means a person who is licensed, certified, or otherwise authorized by the laws of this state to practice a health care or healing arts profession or who administers health care in the ordinary course of business;

2. “Health care service” means any phase of patient medical care, treatment or procedure, including, but not limited to, therapy, testing, diagnosis or prognosis, prescribing, dispensing or administering any device, drug or medication, surgery or any other care or treatment rendered by health care providers;

3. “Life-preserving health care service” means a health care service, the denial of which, in reasonable medical judgment, will result in or hasten the death of the patient; and

4. “Person legally authorized to make health care decisions” means, in the case of an adult patient, or of a minor patient who may consent to have services provided by health professionals under Section 2602 of this title, the person or persons designated to make health care decisions for the patient pursuant to Section 2 of this act,¹ and in the case of any other minor, it means the minor's custodial parent or guardian.