Mechanical Complication of Prosthetic Joints

Effective October 1, 2005, code 996.4, Mechanical complication of internal orthopedic device implant, and graft, has been expanded to describe specific types of mechanical complications of prosthetic joints. These new codes allow for a higher level of detail when coding complications associated with joint prostheses. Though these codes are included within the complication section of the ICD-9-CM, their use does not always indicate poor medical care or faulty devices. All devices wear out over time. These new codes are for use regardless of the age of the prosthetic joint. A fracture of a prosthetic joint due to trauma...

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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 an ICD-9-CM update for prosthetic joint complications and outlines the broad complication categories addressed by the change. It also places the update in context by noting related infection and complication classifications, the use of status codes for joint replacement, and a brief clinical scenario illustrating the topic. The content is aimed at coding professionals who need to understand how the update fits within orthopedic complication reporting.

Why This Topic Matters

Prosthetic joint complications are common enough to require precise classification, and this article helps readers understand the scope of the ICD-9-CM changes and the related code families that remain relevant. It is useful for coders working with orthopedic admissions, complication coding, and status reporting.

Article Sections

  1. ICD-9-CM update for prosthetic joint complications

    Introduces the expanded complication category and explains the general purpose of the update. It also discusses the broader context for reporting prosthetic joint complications.

  2. Clinical context and complication types

    Summarizes the kinds of problems associated with prosthetic joints and the general clinical setting in which they occur. This section provides background on why more specific complication categories are needed.

  3. Code categories and related status guidance

    Lists the main complication categories and related status references associated with prosthetic joints. It also notes where infection-related and other complication groupings fit within the coding framework.

  4. Clinical example

    Presents a short scenario involving a prosthetic joint complication and asks for code assignment. The example is followed by the reported assignment for the admission.

What You Will Learn

  • How the article frames the ICD-9-CM update for prosthetic joint complications
  • Which broad complication categories are discussed in relation to prosthetic joints
  • How related infection and status coding references fit into the topic
  • What kind of clinical scenario the article uses to illustrate the topic

Who Should Read This

  • Medical coders
  • Coding auditors
  • Health information management professionals
  • Orthopedic billing staff

Codes Discussed

  • ICD-9-CM: 996.4
  • ICD-9-CM: 996.40
  • ICD-9-CM: 996.41
  • ICD-9-CM: 996.42
  • ICD-9-CM: 996.43
  • ICD-9-CM: 996.44
  • ICD-9-CM: 996.45
  • ICD-9-CM: 996.46
  • ICD-9-CM: 996.47
  • ICD-9-CM: 996.49
  • ICD-9-CM: 996.6
  • ICD-9-CM: 996.66

Code Ranges Discussed

  • ICD-9-CM: 996.41-996.47
  • ICD-9-CM: V43.60-V43.69

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