Government establishments, known and licensed as psychiatric and substance abuse hospitals, primarily engaged in providing diagnostic medical treatment and monitoring services for patients with psychiatric illnesses or substance abuse disorders. Psychiatric, psychological, and social work services are available at the facility. These establishments typically provide a variety of ancillary services, such as outpatient, clinical laboratory, diagnostic X-ray, and electroencephalograph services. These establishments have an organized medical staff, inpatient beds, and equipment and facilities provide complete psychiatric care.