Implantation of Interspinous Process Decompression Device

Effective October 1, 2005, a new code has been created to uniquely identify the implantation of an interspinous process decompression device (84.58). This procedure is performed to treat symptomatic lumbar spinal stenosis (LSS). Lumbar spinal stenosis involves the narrowing of the spinal canal or neural foramina. Degenerative stenosis is the most common form of LSS and is part of the natural aging process. Symptoms include pain, numbness, and tingling of the lower extremities. Flexion and sitting relieve symptoms, while extension exacerbates them. Implantation of interspinous process decompression device (IPD) is a minimally invasive procedure. The IPD is placed...

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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 reviews a new procedure code introduced in October 2005 for implantation of an interspinous process decompression device. It gives a general overview of the clinical problem being addressed, the minimally invasive nature of the procedure, and the publication context in which the code was added. The piece is useful for coders, clinical documentation staff, and reimbursement professionals who need to understand the scope of the new code and its relationship to other spine procedures.

Why This Topic Matters

When a new code is introduced, coding and billing workflows may need to be updated to reflect the revised procedure taxonomy. This article helps readers identify the code’s general clinical setting and the broader category of excluded spine procedures.

What You Will Learn

  • The clinical context for a procedure involving the lumbar spine
  • The general characteristics of a minimally invasive implant-based spine procedure
  • The publication and implementation context for a newly created code
  • The relationship between the new code and excluded spine procedure categories

Who Should Read This

  • Medical coders
  • Coding auditors
  • Clinical documentation specialists
  • Revenue cycle professionals
  • Orthopedic and spine practice staff

Codes Discussed

  • ICD-9-CM: 84.58

Code Ranges Discussed

  • ICD-9-CM: 81.00-81.08
  • ICD-9-CM: 81.30-81.39

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