ICD-10-CM FY2027 diagnosis code

K58: Irritable bowel syndrome

Header code: not billableValid for dates of service October 1, 2026 to September 30, 2027

K58 groups related diagnoses under irritable bowel syndrome. It cannot be used on a claim by itself. Choose the billable code below that matches the patient's record.

Billable codes under K58

K58.0Irritable bowel syndrome with diarrhea
K58.1Irritable bowel syndrome with constipation
K58.2Mixed irritable bowel syndrome
K58.8Other irritable bowel syndrome
K58.9Irritable bowel syndrome, unspecified

K58 questions

Is K58 a billable code?

No. K58 is a header code that groups 5 more specific codes. Use one of the billable codes listed on this page instead.

What does K58 mean?

K58 is the ICD-10-CM code for Irritable bowel syndrome. It is in chapter 11, Diseases of the digestive system (K00-K95).

Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.