Nothing in this act shall be construed as limiting the power of the parent, guardian, conservator or person in loco parentis with respect to a child with special health care needs.
Nothing in this act shall be construed to authorize any treatment services for children under 18 years of age without the written consent of a parent or guardian, except that a person under the age of 18 years who has had conferred by court order the rights of majority may authorize treatment services without the written consent of a parent or guardian.