Indiana Code Title 25. Professions and Occupations § 25-27-1-2.5

Sec. 2.5. (a) Except as provided in subsection (b), a physical therapist may evaluate and treat an individual during a period not to exceed forty-two (42) calendar days beginning with the date of the initiation of treatment without a referral from a provider described in section 2(b) of this chapter.  However, if the individual needs additional treatment from the physical therapist after forty-two (42) calendar days, the physical therapist shall obtain a referral from the individual's provider, as described in section 2(b) of this chapter.

(b) A physical therapist may not perform spinal manipulation of the spinal column or the vertebral column unless:

(c) A physical therapist who conducts testing using electrophysiologic or electrodiagnostic testing must obtain and maintain the American Board of Physical Therapy Specialties Clinical Electrophysiologic Specialist Certification.