Sec. 16. "Surgical treatment" means the incision, excision, or disarticulation of parts of the human foot and related structures to treat a disease, a deformity, or an ailment of the foot. The term does not include the amputation of the entire foot, but does include the amputation of an entire toe if the amputation is performed at an institution:
(1) that is approved by a joint commission of accredited hospital organizations; and
(2) where comanagement of the patient is being performed by a physician licensed under IC 25-22.5.