American Joint Replacement Registry AAOS

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The AAOS American Joint Replacement Registry (AJRR) is the world’s largest national registry of hip and knee replacement data by annual procedural count, with data on 3.7 million+ procedures from hospitals, ambulatory surgery centers, and private practice groups in all 50 states and the District of Columbia.

AJRR Participation Benefits

Participation in the AJRR provides actionable information to guide clinical decision making to improve the quality of care, patient safety, and treatment outcomes.

On-Demand Reports – like The Joint Commission Advanced Total Hip and Knee Replacement (THKR) Certification report and the Centers for Medicare & Medicaid Services (CMS) Inpatient Quality Reporting (IQR) Total Hip Arthroplasty (THA) / Total Knee Arthroplasty (TKA) Patient-reported Outcomes Performance Measure (PRO-PM) report.

Benchmarking against national standards and similar (or dissimilar) institutions for insights into performance and to identify best practices.

Fulfillment of registry requirements for The Joint Commission Advanced THKR Certification, Det Norske Veritas Healthcare Orthopaedic Centers of Excellence, and other quality programs.

Learn About Quality Collaborations

Data Reuse Opportunities
Blue Distinction® Specialty Care Centers
The Joint Commission Performance Measures Resources
Mandatory CMS IQR THA/TKA PRO-PM
Aetna Institutes of Quality

Registry Analytics Institute®

Learn how to participate in a data analysis collaboration to advance orthopaedic research and improve musculoskeletal care through expert insights and peer-reviewed proposals.

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Data in Practice

Discover how registry data transforms orthopaedic practice with real-life results—click to explore AJRR case scenarios and the transformative impact of data-driven healthcare.

Data Submission

After AJRR participating sites collect the necessary data elements, they submit their data through the AAOS RegistryInsights® data upload process via a secure file transfer protocol (SFTP) or hypertext transfer protocol secure (HTTPS).