Nothing in this Act shall be construed to apply to or to affect any limitation relating to—
(1)
the withholding or withdrawing of life-saving or life-sustaining medical treatment or medical care if—
(A)
(i)
such withholding or withdrawing is after informed consent has been provided by—
(II)
in the case where the patient is incapable of decision making, an individual authorized to make health care decisions on behalf of, and in the best interests of, the patient; or
(III)
in the case where the patient is a minor, the patient and the patient’s parent or legal guardian, or another individual authorized to make health care decisions on behalf of, and in the best interests of, the patient; or
(ii)
in the case where an individual described in clause (i) is not available to provide informed consent, as described in such clause, the entity provides sufficient opportunity for an individual described in clause (i)(II) to present and provide informed consent for such withholding or withdrawing; and
(B)
any individual providing informed consent as described in subparagraph (A) is afforded sufficient opportunity to arrange for the patient’s transfer to another health care provider willing to provide life-saving or life-sustaining medical treatment or medical care that is not available in the entity;
(2)
the withholding or withdrawing of nutrition or hydration if—
(A)
such withholding or withdrawing is not for the purpose of causing, or the purpose of assisting in causing, death, for any reason; and
(B)
the conditions of paragraph (1) are met;
(3)
the use of an item, good, benefit, or service furnished for the purpose of alleviating pain or discomfort, even if such use may increase the risk of death, so long as such item, good, benefit, or service is not also furnished for the purpose of causing, or the purpose of assisting in causing, death, for any reason; or
(4)
any medical procedure required to prevent the death of a pregnant woman or her unborn child, so long as every reasonable effort is made to preserve the life of all patients.