Mo. Rev. Stat. § 631.050: Facilities and programs of department shall include certain standards for persons receiving alcohol and drug abuse treatment.

Any residential facility, day program or specialized service operated or funded by the department shall incorporate the following standards into its policies for accepting persons affected by alcohol or drug abuse for treatment or rehabilitation:

(1) A person shall, if possible, be treated on a voluntary rather than on an involuntary basis;

(2) A person shall be initially assigned or transferred to outpatient or intermediate treatment, unless he is found to require inpatient treatment;

(3) A person shall not be denied treatment solely because he has withdrawn from treatment against medical advice on a prior occasion or because he has relapsed after earlier treatment;

(4) An individualized rehabilitation plan shall be prepared and maintained on a current basis for each patient;

(5) Provisions shall be made for a continuum of coordinated treatment or rehabilitation services so that a person who leaves a facility or a form of treatment or rehabilitation will have available and may utilize other appropriate treatment.