All ICD10 Codes

K58

Non-Billable
ChapterK00–K95
Rankcategory
Official Description

Irritable bowel syndrome

Use a more specific code (5 billable)
K58.0Irritable bowel syndrome with diarrheaK58.1Irritable bowel syndrome with constipationK58.2Mixed irritable bowel syndromeK58.8Other irritable bowel syndromeK58.9Irritable bowel syndrome, unspecified
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 11: Diseases of the Digestive System (K00-K95).

CH11 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Includes
  • irritable colon
  • spastic colon

Clinical Hierarchy

BillableHas subcodes
CH11Diseases of the digestive system (K00-K95)
K55-K64Other diseases of intestines (K55-K64)
K58Irritable bowel syndromeNot billable
K58.0Irritable bowel syndrome with diarrheaBillable
K58.1Irritable bowel syndrome with constipationBillable
K58.2Mixed irritable bowel syndromeBillable
K58.8Other irritable bowel syndromeBillable
K58.9Irritable bowel syndrome, unspecifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to K58:

chapterCH11
Diseases of the digestive system (K00-K95)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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