Missouri Revised Statutes Title XXII. Occupations and Professions § 334.105. Intractable pain treatment act--definitions

(1)“Board”, the state board of registration for the healing arts;

(2)“Intractable pain”, a pain state in which the cause of pain cannot be removed or otherwise treated and which in the generally accepted course of medical practice no relief or cure of the cause of the pain is possible or none has been found after reasonable efforts that have been documented in the physician's medical records;

(3)“Physician”, physicians and surgeons licensed pursuant to this chapter by the board;

(4)“Therapeutic purpose”, the use of controlled substances in acceptable doses with appropriate indication for the treatment of pain. Any other use is nontherapeutic.