4 - The RN Case Manager is responsible for assessing patient acute level of care needs and works to implement and coordinate interventions aimed at facilitating a safe and timely discharge plan to the appropriate sub-acute settings in collaboration with the Case Manager Specialist. a - With the Case Manager, work to identify, and prioritize workflow through identification of patient specific, department needs and or unit based needs. ESSENTIAL FUNCTIONS1 - The RN Case Manager is responsible for reviewing the medical record of all observation and inpatient admissions and continued stays to ensure appropriate utilization and delivery of care. a - Using Interqual Criteria, physician certification, and payor specific criteria, assists the physician in determining the medical necessity for observation, admission and continued stays.