As used in this Act:
"Physical therapy" includes, but is not limited to: (a) performance of specialized tests and measurements, (b) administration of specialized treatment procedures, (c) interpretation of referrals from physicians, dentists, advanced practice registered nurses, physician assistants, and podiatric physicians, (d) establishment, and modification of physical therapy treatment programs, (e) administration of topical medication used in generally accepted physical therapy procedures when such medication is either prescribed by the patient's physician, licensed to practice medicine in all its branches, the patient's physician licensed to practice podiatric medicine, the patient's advanced practice registered nurse, the patient's physician assistant, or the patient's dentist or used following the physician's orders or written instructions, (f) supervision or teaching of physical therapy, and (g) dry needling in accordance with Section 1.5. "Physical therapy" does not include radiology, electrosurgery, acupuncture, chiropractic technique or determination of a differential diagnosis; provided, however, the limitation on determining a differential diagnosis shall not in any manner limit a physical therapist licensed under this Act from performing an evaluation and establishing a physical therapy treatment plan pursuant to such license. Nothing in this Section shall limit a physical therapist from employing appropriate physical therapy techniques that he or she is educated and licensed to perform.
225 ILCS 90/1