Total Knee Replacement and Patellar Component

The Central Office has received several requests for clarification pertaining to the replacement of the patella when performed with a total knee replacement. Is the patella considered part of the knee joint or, since it has its own body part value, is a separate code assigned to capture the replacement of the patella? ...

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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 guidance article addresses a common ICD-10-PCS question about total knee replacement when the patella is involved. It explains the scope of the knee joint versus the patella in the coding structure and helps coders understand how the topic is handled in the lower joints body system. The article is relevant to inpatient coding professionals, auditors, and others reviewing procedure code assignment for joint replacement cases.

Why This Topic Matters

Total knee replacement cases can raise questions about whether the patella is reported separately or included with the overall procedure. Understanding the article helps support consistent ICD-10-PCS reporting for lower joint replacement procedures.

What You Will Learn

  • How the article frames patellar involvement in total knee replacement
  • How the discussion relates to ICD-10-PCS lower joints body system reporting
  • What broad coding topic the article is clarifying for knee replacement cases
  • Why the issue matters for procedure code assignment and review

Who Should Read This

  • Hospital inpatient coders
  • Coding auditors
  • Revenue integrity staff
  • Clinical documentation specialists
  • Compliance staff

Codes Discussed

  • ICD-10-PCS: 0SR

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