Irritable bowel syndrome
In Other diseases of intestines (K55-K64), chapter 11: Diseases of the Digestive System
5 billable codes under K58: none are a CC or MCC; none map to an HCC.
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Instructional notes
Includes: conditions that are coded here
- irritable colon
- spastic colon
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
There are no chapter-specific rules for Chapter 11 yet, so the general rules in Section I.B apply.
All codes under K58
K58 can't be used on a claim. Pick a billable code below; grey headings group them.
K58 MS-DRGs
As the principal diagnosis, all 5 billable codes under K58 group to MS-DRG 391 or 392 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
Other codes that refer to K58
Notes on these codes point to K58.
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Irritable Bowel Syndrome
Irritable bowel syndrome (IBS) is a problem that affects the large intestine. It can cause abdominal cramping, bloating, and a change in bowel habits. Some people with the disorder have constipation. Some have diarrhea. Others go back and forth between the two. Although IBS can cause a great deal of discomfort, it does not harm the intestines.
Read more about irritable bowel syndrome on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.