K59.9
BillableFunctional intestinal disorder, unspecified
K59.9 is the ICD-10-CM code for Functional intestinal disorder, unspecified. It is a billable, specific code valid for reimbursement.
K00-K95 Diseases of the digestive system
No additional coding notes for this code.
Frequently asked questions
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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