Okla. Admin. Code § 450:30-9-1.1
The following words or terms, when used in this Chapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Discharge evaluation" means documentation in the clinical record assessing the consumer's progress during treatment, with goals reached, continuing needs, and other pertinent information to determine readiness for discharge.
"Licensed mental health professional" or "LMHP" means a practitioner who meets qualifications as defined in Title 43A § 1-103(11).
"Maximum benefit" means the amount of treatment progress at which it can be reasonably determined that continued treatment can no longer accommodate or assist in the reduction of psychiatric symptoms in a level of care less restrictive than inpatient services.
"Medically unstable" means a state in which an immediate, life-threatening medical disorder or illness is present that requires emergency care, or severe medical illnesses or disorders are present for which the state-operated psychiatric inpatient unit does not have the ability to treat.
"Psychiatrist" means a licensed physician who specializes in the assessment and treatment of individuals having psychiatric disorders and who is fully licensed to practice medicine in the state in which he or she practices and is certified in psychiatry by the American Board of Psychiatry and Neurology.
Okla. Admin. Code § 450:30-9-1.1