ICD-10-CM 2027
ICD-10 code for irritable syndrome
Choose a code from the options below based on the documentation.
From the official ICD-10-CM alphabetic index entry “Syndrome › irritable”. Page updated September 29, 2026.
About coding irritable syndrome
The official ICD-10-CM index doesn't give a single default code for irritable syndrome; the code depends on the details below.
More specific irritable syndrome codes (official index)
- bowel K58.9 — Irritable bowel syndrome, unspecified
- with
- constipation K58.1 — Irritable bowel syndrome with constipation
- diarrhea K58.0 — Irritable bowel syndrome with diarrhea
- mixed K58.2 — Mixed irritable bowel syndrome
- psychogenic F45.8 — Other somatoform disorders
- specified NEC K58.8 — Other irritable bowel syndrome
- heart (psychogenic) F45.8 — Other somatoform disorders
- weakness F48.8 — Other specified nonpsychotic mental disorders