Medical eligibility is determined based on residence in a mental health hospital due to the need for care and treatment provided under the direction of a physician in an institution for mental diseases. Visits are made to the mental health hospital by OHCA staff. Patients' charts are reviewed to determine if continued institutional care is appropriate and the medical records are maintained in accordance with federal regulations. A worksheet is completed on each case showing the findings of the reviews. The worksheets are maintained in the OHCA.