S.C. Code Ann. § 44-77-140: No presumption as to intent to arise from absence of declaration; other legal rights not impaired.

The absence of a declaration by an adult patient does not give rise to a presumption as to his intent to consent to or refuse life-sustaining procedures. This chapter applies only to persons who have executed a declaration in accordance with this chapter. Nothing in this chapter impairs any other legal right or legal responsibility which a person may have to effect the withholding or withdrawal or the provision of life-sustaining procedures in any lawful manner.