Health care costs. Requires a hospital or ambulatory outpatient surgical center to provide each patient, patient’s guardian, or patient’s health care representative with a good faith estimate (estimate) of all charges and fees associated with certain medical procedures and services. Requires an estimate to be provided to a patient upon: (1) the patient’s discharge from the hospital or ambulatory outpatient surgical center; or (2) the conclusion of a medical examination or procedure. Specifies that an estimate is not a legally binding contract or estimate concerning the: (1) allowable; (2) total; or (3) final; cost for a medical examination, procedure, or other service. Requires a revised estimate to be provided not later than 30 days after the date specified on an original estimate. Prohibits a hospital or ambulatory outpatient surgical center from charging a fee for the service of providing an estimate to a patient. Provides that a contract or contract provision may not prohibit a hospital or ambulatory outpatient surgical center from providing an estimate to a patient when required. Defines certain terms.