Ogilvie Syndrome

Code K59.8, Other specified functional intestinal disorders, has been expanded with new codes to describe Ogilvie syndrome (K59.81) and other specified functional intestinal disorders (K59.89).Ogilvie syndrome, also referred to as acute colonic ileus and acute colonic pseudo-obstruction (ACPO), is an uncommon condition that affects the large intestines. Ogilvie syndrome is not the same as chronic intestinal pseudo-obstruction. The syndrome is due to nerve or muscle problems that affect peristalsis (involuntary, rhythmic muscular contractions) within the colon. Although the symptoms mimic those of mechanical blockage of the colon, no such physical obstruction is present. Symptoms...

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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 covers Ogilvie syndrome, also known as acute colonic ileus or acute colonic pseudo-obstruction, and explains how it fits within updated ICD-10-CM functional intestinal disorder coding. It is relevant to coders, billers, CDI specialists, and clinicians who need to understand the condition’s general clinical context and the related code-set update.

Why This Topic Matters

Accurate identification of Ogilvie syndrome supports consistent documentation and coding for a condition that can resemble mechanical bowel obstruction but has a different clinical basis. The article is useful for understanding the broader coding category update and the medical context that may affect record review and classification.

What You Will Learn

  • How Ogilvie syndrome is described in clinical terms
  • How the condition differs from other pseudo-obstruction entities at a high level
  • What general treatment approaches are discussed in the article
  • Which coding category was updated to include the condition

Who Should Read This

  • Medical coders
  • Coding auditors
  • Clinical documentation integrity specialists
  • Billers
  • Physicians and other clinicians

Codes Discussed

  • ICD-10-CM: K59.8
  • ICD-10-CM: K59.81
  • ICD-10-CM: K59.89

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