Revision Total Knee Arthroplasty

A patient presents with aseptic mechanical loosening of his left total knee prosthesis and has revision surgery. The provider documented that a rotating polyethylene spacer was placed and the tibial and femoral components were built on the back table, then placed and impacted with light cement. We are unsure whether to assign a code for replacement of tibial and femoral components or whether the placement of the rotating polyethylene spacer is coded as placement of an articulating spacer. How should this case be coded? ...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article discusses a revision total knee arthroplasty scenario involving aseptic mechanical loosening and documentation that includes component removal and reconstruction steps. It is aimed at coding professionals who need to understand how the procedure should be represented in ICD-10-PCS and how to interpret the documented operative details at a high level. The article focuses on procedure coding relevance, documentation review, and the coding assignment process for this type of orthopedic revision case.

Why This Topic Matters

Revision joint procedures can be difficult to code accurately when the operative note includes multiple reconstruction steps. Understanding the coding approach helps support consistent inpatient procedure abstraction for orthopedic revision cases.

What You Will Learn

  • How this revision total knee arthroplasty scenario is framed for inpatient procedure coding
  • What kinds of operative documentation elements are relevant in this type of case
  • How the article approaches the ICD-10-PCS assignment discussion at a high level
  • Why careful review of revision arthroplasty documentation matters for coding accuracy

Who Should Read This

  • Inpatient coders
  • Coding auditors
  • Orthopedic surgery coding staff
  • Clinical documentation improvement staff

Codes Discussed


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