North Carolina General Statutes Chapter 97. Workers' Compensation Act § 97-25.4. Utilization guidelines for medical treatment

(a) The Commission may adopt utilization rules and guidelines, consistent with this Article, for medical care and medical rehabilitation services, other than those services provided by managed care organizations pursuant to G.S. 97-25.2, including, but not limited to, necessary palliative care, physical therapy treatment, psychological therapy, chiropractic services, medical rehabilitation services, and attendant care. The Commission's rules and guidelines shall ensure that injured employees are provided the services and care intended by this Article and that medical costs are adequately contained. In developing the rules and guidelines, the Commission may consider, among other factors, the practice guidelines adopted by the boards and associations representing medical and rehabilitation professionals.

(b) Palliative care rules or guidelines adopted by the Commission may require that the provider (i) supply to the employer a treatment plan, including a schedule of measurable objectives, a projected termination date for treatment, and an estimated cost of services, and (ii) obtain preauthorization from the employer, not inconsistent with the provisions of G.S. 97-25.3.