(a) Except as otherwise provided in subsection (g) and subject to subsection (f), in the absence of an express, contrary indication by the donor, a person other than the donor is barred from making, amending, or revoking an anatomical gift of a donor's body or part if the donor made an anatomical gift of the donor's body or part under § 34-26-52 or an amendment to an anatomical gift of the donor's body or part under §