Health care facilities shall make available to the public the health care prices for (at least) the 50 most used DRG codes and the 25 most used outpatient CPT codes. The document shall be updated frequently as deemed appropriate but at least annually. A health care provider shall make available to the public, in a single document, either electronically or by posting conspicuously on the provider’s website if one exists, the health care prices for at least the fifteen most common health care services the health care provider provides.