As used in this subchapter:
"Claimant" means a person entitled to the benefits described in section 431:10C-103.5, HRS, under a motor vehicle insurance policy.
"Emergency treatment" or "emergency services" means treatment or services which are performed within the initial seventy-two hours following the motor vehicle accident because the condition is life threatening or could cause serious harm.
"Physician" includes a doctor of medicine, a dentist, a chiropractor, an osteopath, a psychologist, an optometrist, and a podiatrist.
"Specialist" means a physician or surgeon who holds a certificate as a diplomate issued by a specialty board approved by the American Medical Association or the American Dental Association.
Haw. Code R. § 16-23-94