210 ILCS 88/50

During the admission or as soon as practicable thereafter, the hospital must provide an insured patient with written notice that: (1) the patient may receive separate bills for services provided by health care professionals affiliated with the hospital; (2) if applicable, some hospital staff members may not be participating providers in the same insurance plans and networks as the hospital; (3) if applicable, the patient may have a greater financial responsibility for services provided by health care professionals at the hospital who are not under contract with the patient's health care plan; and (4) questions about coverage or benefit levels should be directed to the patient's health care plan and the patient's certificate of coverage.