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Home/Diagnosis/ICD-10 Coding for Irritable Bowel Syndrome Unspecified (K58.9)

ICD-10 Coding for Irritable Bowel Syndrome Unspecified (K58.9)

K58.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for irritable bowel syndrome unspecified (k58.9) includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
IBS-U
IBS-NOS
Functional Bowel Disorder
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Key Information: ICD-10 Coding for Irritable Bowel Syndrome Unspecified (K58.9)

Essential facts and insights about ICD-10 Coding for Irritable Bowel Syndrome Unspecified (K58.9)

Use ICD-10 code K58.9 for irritable bowel syndrome, unspecified, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Irritable bowel syndrome, unspecified

Billable Code
K58.9
Billable

Diagnostic Criteria

clinical:
  • • Recurrent abdominal pain associated with defecation
coding:
  • • No subtype specified in documentation

Applicable To

  • • IBS without specified subtype

Important Notes

  • • Ensure documentation explicitly states 'IBS' and meets Rome IV criteria.
Ancillary Codes

Additional codes that may be used with this diagnosis

R10.84

Generalized abdominal pain

Use when abdominal pain is a significant symptom.

K59.00

Constipation, unspecified

Use if constipation is present but not predominant.

Frequently Asked Questions

When should K58.9 be used for IBS?

Use K58.9 when IBS is diagnosed but no specific subtype, such as diarrhea or constipation, is documented.

What are the documentation requirements for IBS unspecified?

Documentation must include explicit IBS diagnosis and meet Rome IV criteria, excluding specific subtypes.

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