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K58

⚠ Non-billable (Header)

Irritable bowel syndrome

Diseases of the digestive system (K00-K95)

⚠️ This is a category header code — not billable. Use a more specific child code below.

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✅ Includes

  • • irritable colon
  • • spastic colon

Child Codes (5)

K58.0Irritable bowel syndrome with diarrheaK58.1Irritable bowel syndrome with constipationK58.2Mixed irritable bowel syndromeK58.8Other irritable bowel syndromeK58.9Irritable bowel syndrome, unspecified

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Code Information

CodeK58
BillableNo — Header code
CategoryDiseases of the digestive system (K00-K95)
Excludes10 rule(s)
Excludes20 note(s)
Child codes5

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)