Procedure coding in the American Joint Replacement Registry

September R. Cahue*, Caryn D. Etkin, Louis S. Stryker, Frank R. Voss

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

12 Scopus citations


In October 2015, the Centers for Medicare & Medicaid Services transitioned from the 9th version of the International Classification of Diseases (ICD-9) codes for reporting patient diagnosis and medical procedures to the 10th version (ICD-10). The multitude of coding options for total joint arthroplasty in ICD-10-procedural coding (ICD-10-PCS) poses some challenges for the American Joint Replacement Registry (AJRR) in identifying precise procedures being reported. While AJRR participating hospitals are familiar with ICD-10-PCS, this new coding may not have been introduced to most AJRR participating surgeons. To address these issues, AJRR initiated an ICD-10 workgroup to define and map appropriate ICD-10 codes to total joint procedure types. This initiative sought to improve accuracy of AJRR data.

Original languageEnglish (US)
Pages (from-to)251-255
Number of pages5
JournalArthroplasty Today
Issue number2
StatePublished - Jun 2019


  • Clinical data registry
  • ICD-10-PCS codes
  • Total joint arthroplasty

ASJC Scopus subject areas

  • Surgery
  • Orthopedics and Sports Medicine


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