K58.0 — Irritable bowel syndrome with diarrhea

K58.0

ICD-10 Chapter 11: Digestive System — illustrative image — Chapter 11: Diseases of the digestive system (K00–K95) — illustrative image

What this code means

Irritable bowel syndrome in which diarrhoea is the main bowel pattern, with recurring abdominal pain linked to bowel habit.

Also called: ibs with diarrhea, ibs-d, irritable bowel syndrome.

When this code is used

Used for irritable bowel syndrome with diarrhoea.

Where it sits in ICD-10-CM

Code K58.0 belongs to Chapter 11: Diseases of the digestive system, which covers codes K00–K95 in the FY2027 ICD-10-CM tabular list. The official description above is copied verbatim from the CDC/NCHS FY2027 code file.

Related symptoms

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Frequently asked questions

What is ICD-10-CM code K58.0?

K58.0 is the ICD-10-CM diagnosis code for “Irritable bowel syndrome with diarrhea”. Irritable bowel syndrome in which diarrhoea is the main bowel pattern, with recurring abdominal pain linked to bowel habit.

When is code K58.0 used?

Used for irritable bowel syndrome with diarrhoea. It belongs to Chapter 11 of ICD-10-CM (Diseases of the digestive system).

This guide explains ICD-10-CM codes in plain language for patients, students and other readers. It is educational information only — not coding, billing or medical advice. The code recorded for any real encounter is assigned from the full clinical documentation by the treating team and qualified coders, and only they can decide which code fits a specific case.