Section 630.155 - Mistreatment of patient - defined - penalty1. A person commits the offense of patient, resident or client abuse or neglect against any person admitted on a voluntary or involuntary basis to any mental health facility or mental health program in which people may be civilly detained pursuant to chapter 632, or any patient, resident or client of any residential facility, day program or specialized service operated, funded or licensed by the department if he knowingly does any of the following:(1) Beats, strikes or injures any person, patient, resident or client;(2) Mistreats or maltreats, handles or treats any such person, patient, resident or client in a brutal or inhuman manner;(3) Uses any more force than is reasonably necessary for the proper control, treatment or management of such person, patient, resident or client;(4) Fails to provide services which are reasonable and necessary to maintain the physical and mental health of any person, patient, resident or client when such failure presents either an imminent danger to the health, safety or welfare of the person, patient, resident or client, or a substantial probability that death or serious physical harm will result.2. Patient, resident or client abuse or neglect is a class A misdemeanor unless committed under subdivision (2) or (4) of subsection 1 of this section in which case such abuse or neglect shall be a class E felony.Amended by 2014 Mo. Laws, SB 491,s A, eff. 1/1/2017.L. 1980 H.B. 1724, A.L. 1996 S.B. 884 & 841