Neb. Rev. Stat. § 30-613: Neb. Rev. Stat. § 30-613

A petition under section 30-608 or 30-612 may be filed by any of the following:

(1) The individual;

(2) The surrogate;

(3) The spouse, parent, sibling, or child of the individual who is an adult or an emancipated minor;

(4) A close friend of the individual who is an adult or an emancipated minor;

(5) The primary health care provider or another health care provider; or

(6) Any other interested party.