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K58.8

Billable

Other irritable bowel syndrome

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Irritable bowel syndrome with symptoms that don't fit neatly into the constipation, diarrhea, or mixed categories, such as post-infectious IBS or other atypical presentations.

Coding Tips

  • •Use this code only when the IBS presentation doesn't clearly match K58.0, K58.1, or K58.2
  • •Document the specific characteristics that make this case 'other' to support medical necessity

Code Hierarchy

└K58Irritable bowel syndrome└K58.8Other irritable bowel syndrome
└K58.8Other irritable bowel syndrome

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