Monitor, track, and analyze avoidable days and extended lengths of stay; identify contributing factors related to utilization, payer processes, discharge barriers, and system delays, and collaborate with Case Management, physicians, and interdisciplinary teams to support timely resolution. The RN Case Manager/Utilization Review is responsible for performing prospective, concurrent, and post‑discharge utilization reviews to ensure appropriate patient status, medical necessity, and compliance with hospital policy, payer requirements, and applicable local, state and federal regulations, including Centers for Medicare & Medicaid Services (CMS) guidelines.