K58.1: Irritable bowel syndrome with constipation
K58.1 is the billable ICD-10-CM diagnosis code for Irritable bowel syndrome with constipation. It is a fully specified code, so it can be reported on a claim (subject to clinical documentation and your payer's rules).
Frequently asked questions
What is ICD-10-CM code K58.1?
K58.1 is the ICD-10-CM diagnosis code for Irritable bowel syndrome with constipation. It belongs to category K58 (Irritable bowel syndrome).
Is K58.1 a billable code?
Yes. K58.1 is a billable, fully specified ICD-10-CM code, so it can be used on a claim (subject to documentation and payer rules).
What category does K58.1 belong to?
K58.1 is part of ICD-10-CM category K58 — Irritable bowel syndrome, which has 10 billable codes.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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