745 ILCS 70/11.2: Liability of health care payer.

No health care payer and no person, association, or corporation that owns, operates, supervises, or manages a health care payer shall be civilly or criminally liable to any person, estate, or public or private entity by reason of refusal of the health care payer to pay for or arrange for the payment of any particular form of health care services that violate the health care payer's conscience as documented in its ethical guidelines, mission statement, constitution, bylaws, articles of incorporation, regulations, or other governing documents.