Complete ICD-10-CM coding and documentation guide for icd-10 coding for functional diarrhea includes clinical validation requirements, medical necessity guidelines, and coding policies.
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Essential facts and insights about ICD-10 Coding for Functional Diarrhea
Use ICD-10 code K59.1 for functional diarrhea, ensuring proper documentation in clinical notes.
Additional codes that may be used with this diagnosis
Dehydration
Use when dehydration is present as a result of diarrhea.
The ICD-10 code for functional diarrhea is K59.1, used for chronic diarrhea without an identifiable organic cause, meeting Rome IV criteria.
Functional diarrhea is diagnosed based on chronic diarrhea lasting at least 3 months, negative fecal calprotectin, negative celiac serology, and meeting Rome IV criteria.