AutoICD API

K58.9

Billable

Irritable bowel syndrome, unspecified

Irritable bowel syndrome, unspecified

Status

Billable / Specific

Block

K55-K64

Parent Code

K58

Coding Notes

Inclusion Terms

Alternative clinical terms for this condition

  • Irritable bowel syndrome NOS

Includes

Conditions included under this code

  • irritable colon
  • spastic colon

Excludes 2

Conditions not included here, but the patient may have both

Related Codes(4)
K58.0

Irritable bowel syndrome with diarrhea

BillableK58.1

Irritable bowel syndrome with constipation

BillableK58.2

Mixed irritable bowel syndrome

BillableK58.8

Other irritable bowel syndrome

Billable
Also Known As / Clinical Terms(137)

SNOMED CT

UMLS

Clinical Terms

  • Mucous Colitis
  • colon irritable
  • Irritable bowel syndrome characterized by alternating bowel habit
  • irritable bowel disease
  • bowels irritable
  • Constipation predominant irritable bowel syndrome
  • Irritable Bowel Syndromes
  • Nervous colitis
  • colons spastic
  • membranous colitis
  • IBS (irritable bowel syndrome)
  • Functional bowel disease
  • Irritable colon syndrome
  • IBS
  • syndrome irritable bowel
  • colon spastic
  • Syndrome, Irritable Bowel
  • Syndromes, Irritable Bowel
  • spastic colon
  • Irritable bowel syndrome characterized by constipation
  • Irritable bowel
  • Irritable bowel syndrome characterised by constipation
  • Irritable bowel syndrome characterised by alternating bowel habit
  • Colitides, Mucous
  • Irritable bowel syndrome (disorder)
  • Irritable bowel syndrome NOS
  • bowel disease irritable
  • irritable bowel disease (IBD)
  • irritable bowel syndrome (IBS)
  • spastic colitis
  • colon spasm
  • IBS - Irritable bowel syndrome
  • Colitis mucous
  • Bowel spasm
  • Colon, Irritable
  • Irritable bowel syndrome variant of childhood with constipation
  • IBD
  • disease irritable bowel
  • Irritable Colon
  • Intestinal spasm
  • IC - Irritable colon
  • Functional bowel syndrome
  • Irritable bowel syndrome variant of childhood
  • bowel ibs irritable syndrome
  • colon spasms
  • Colonospasm
  • Colitis, Mucous
  • Mucous Colitides
  • bowel syndrome irritable
  • bowels irritable syndrome
  • Enterospasm
  • Adaptive colitis
Frequently Asked Questions
What is the ICD-10 code for irritable bowel syndrome, unspecified?

The ICD-10-CM code for irritable bowel syndrome, unspecified is K58.9. The full clinical description is "Irritable bowel syndrome, unspecified". K58.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code K58.9 mean?

ICD-10-CM code K58.9 represents “Irritable bowel syndrome, unspecified”. It is classified under Chapter 11: Diseases of the Digestive System and is a billable/specific code that can be used on a claim.

Is K58.9 a billable code?

Yes, K58.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is K58.9 in?

K58.9 is in Chapter 11: Diseases of the Digestive System (codes K00-K95).

What SNOMED CT codes does K58.9 map to?

K58.9 maps to 8 SNOMED CT concepts: 10743008, 249531009, 1045000, 440630006, 30993009, and 3 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for K58.9?

K58.9 is linked to 2 UMLS Concept Unique Identifiers: C0022104, C5926695. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does K58.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like irritable bowel syndrome, unspecified affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of K58.9?

There is no direct ICD-11 mapping available for K58.9 in the WHO crosswalk tables. This may mean the concept is classified differently in ICD-11. Use the ICD-10 to ICD-11 converter to search for related codes.

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.