Irritable bowel syndrome (K58) ICD-10-CM
The K58 code range covers irritable bowel syndrome with 6 ICD-10-CM diagnosis codes. 5 of them are billable and valid for claim submission in fiscal year 2027, and the category headers group them but cannot themselves be billed.
Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.
- irritable colon
- spastic colon
Codes in the K58 Range 6 codes · 5 billable
Clinical Terms in This Code Range
Definitions from the National Library of Medicine for conditions coded in the K58 range.
Irritable Bowel Syndrome
A disorder with chronic or recurrent colonic symptoms without a clearcut etiology. This condition is characterized by chronic or recurrent ABDOMINAL PAIN, bloating, MUCUS in FECES, and an erratic disturbance of DEFECATION.
About the K58 Code Range
Irritable bowel syndrome involves recurring or long-lasting colon symptoms without a clear cause. Symptoms include abdominal pain, bloating, mucus in stool, and irregular bowel movements.
K58 is organized by bowel habit: K58.0 specifies diarrhea, K58.1 specifies constipation, and K58.2 identifies a mixed form. K58.8 identifies other forms, while K58.9 leaves the form unspecified.
Questions About This Page
How many billable codes are in the K58 range?
Of the 6 codes in this range, 5 are billable and valid for claim submission from October 1, 2026 through September 30, 2027. Category header codes group them but cannot be reported on claims.
What does the K58 range classify?
The range classifies irritable bowel syndrome. Each code links to its own reference page with billing status, MS-DRG grouping, coding notes, and clinical information.
Related References
Source: CMS FY 2027 ICD-10-CM Tabular List and order file, effective October 1, 2026 through September 30, 2027.
