Is ICD-10-CM code K58 billable?

No, K58 (Irritable bowel syndrome) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code K58 belong to?

K58 belongs to Chapter 11 of the ICD-10-CM tabular list: K00–K95 (Diseases of the Digestive System).

K58

Non-Billable

ChapterK00–K95

Rankcategory

Description

Irritable bowel syndrome

About ICD-10-CM code K58

K58 is the ICD-10-CM diagnosis code for Irritable bowel syndrome. It sits in K00-K95 Diseases of the Digestive System, within Other diseases of intestines (K55-K64). K58 is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (5 billable)

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

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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