e401 2006-2022 Single Center Medicare and Commercial Total Joint Arthroplasty Reimbursement Trends

e402 Patient-Reported Outcome Measure (PROM) Collection per CMS Mandatory Requirements Remains Difficult Despite the Resources of a Multi-center Academic Institution.

e403 Risk Factors Driving ‘No-Shows’ Across Orthopaedic Subspecialty Outpatient Clinics

e404 The Statistical Significance of Orthopaedic Randomized Controlled Trial Results May Be Frequently Reversed by Patients Lost to Follow-up: A Case for a Lost to Follow-up Index

e405 Performance Scores in the Merit-based Incentive Payment System are Increasing Among Arthroplasty Surgeons who Treat High Social Risk Caseloads