Disc Space Narrowing

A patient with lower back pain presents for radiologic examination of the lumbar spine. The final impression indicates a diagnosis of multilevel degenerative changes of the lumbosacral spine with disc space narrowing, at the L5-S1 level. When referencing “narrowing,” the Alphabetic Index instructs to “see also Stenosis.” However, spinal stenosis was not documented by the provider. What is the correct code assignment for degenerative changes of the lumbar spine with disc space narrowing? ...

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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 premium coding article addresses an ICD-10-CM question involving lumbar spine imaging findings, with a focus on how to approach disc space narrowing when the provider does not document spinal stenosis. It is intended for coders and other revenue cycle professionals who need to understand the scope of the diagnostic language involved and the general coding topic being discussed.

Why This Topic Matters

Imaging reports often use terminology that overlaps with broader diagnostic categories, and this article helps readers understand the coding issue raised by that overlap. It is useful for anyone reviewing musculoskeletal and spine-related diagnosis coding in the ICD-10-CM system.

What You Will Learn

  • How the article frames the coding question raised by lumbar spine imaging terminology.
  • What broader diagnostic topic the article addresses in relation to disc space narrowing.
  • Why the absence of a documented diagnosis affects the discussion in the article.
  • How the article situates the issue within ICD-10-CM diagnosis coding.

Who Should Read This

  • Medical coders
  • Coding auditors
  • Revenue cycle staff
  • Health information management professionals

Codes Discussed

  • ICD-10-CM: M47.817

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