What is the ICD-10 code for IBS with diarrhea?

The ICD-10 code for irritable bowel syndrome with diarrhea is K58.0. It is used when diarrhea predominates in IBS symptoms.

How do you code IBS with constipation?

For IBS with constipation, use ICD-10 code K58.1. This code applies when constipation is the predominant symptom.

When should K58.9 be used for IBS?

Use K58.9 for IBS when the subtype is not specified in the documentation. It is the code for unspecified IBS.

ICD-10 Coding for Irritable Bowel Syndrome(K58.0, F41.9, F45.8)

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Explore comprehensive ICD-10 coding guidelines for Irritable Bowel Syndrome (IBS), including subtypes IBS-D, IBS-C, and mixed IBS. Learn documentation requirements and coding pitfalls.

Also known as:

IBSSpastic ColonIrritable Colon

Related ICD-10 Code Ranges

Complete code families applicable to Irritable Bowel Syndrome

K00-K95Primary Range

Diseases of the digestive system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

Code	Description	When to Use	Key Documentation
K58.0	Irritable bowel syndrome with diarrhea	Use when diarrhea predominates in IBS symptoms.	Rome IV criteria: Abdominal pain related to defecation change in stool frequency or form Predominant diarrhea: >25% of bowel movements are Bristol Type 6-7
K58.1	Irritable bowel syndrome with constipation	Use when constipation predominates in IBS symptoms.	Rome IV criteria: Abdominal pain related to defecation change in stool frequency or form Predominant constipation: >25% of bowel movements are Bristol Type 1-2
K58.2	Mixed irritable bowel syndrome	Use when both diarrhea and constipation are present in IBS symptoms.	Rome IV criteria: Abdominal pain related to defecation change in stool frequency or form Alternating diarrhea and constipation meeting subtype thresholds
K58.9	Irritable bowel syndrome, unspecified	Use when the subtype of IBS is not specified in the documentation.	Rome IV criteria: Abdominal pain related to defecation change in stool frequency or form

Primary ICD-10-CM Codes

Irritable bowel syndrome with diarrhea

K58.0Billable

Differential Codes

Alternative codes to consider when ruling out similar conditions

Functional diarrheaK59.1

Functional constipationK59.0

Documentation & Coding Risks

Avoid these common issues when documenting Irritable Bowel Syndrome.

Failing to document stool pattern

Impact

Clinical: May lead to misdiagnosis., Regulatory: Non-compliance with coding standards., Financial: Potential reimbursement issues.

Mitigation

Use structured templates, Educate providers on documentation standards

Using K58.9 when a specific subtype is documented.

Impact

Reimbursement: May lead to incorrect DRG assignment affecting reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Decreases accuracy of health data.

Mitigation

Ensure documentation specifies the subtype and use the corresponding code.

Subtype Documentation

Impact

Failure to document IBS subtype can lead to audit issues.

Mitigation

Ensure all documentation includes specific subtype details.

Frequently Asked Questions

Documentation requirements, coding pitfalls and FAQs for conditions coded with K58.0.

Primary Code

K58.0

Irritable bowel syndrome with diarrhea

Quick Navigation

ICD-10 codes8

Coding risks3

FAQs3

ICD-10 Coding for Irritable Bowel Syndrome(K58.0, F41.9, F45.8)

Documentation & Coding Risks

Frequently Asked Questions

What is the ICD-10 code for IBS with diarrhea?

How do you code IBS with constipation?

When should K58.9 be used for IBS?

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