ICD-10-CM category
K58: Irritable bowel syndrome
Codes under K58 (Irritable bowel syndrome). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| K58.0 | Irritable bowel syndrome with diarrhea | ✓ |
| K58.1 | Irritable bowel syndrome with constipation | ✓ |
| K58.2 | Mixed irritable bowel syndrome | ✓ |
| K58.8 | Other irritable bowel syndrome | ✓ |
| K58.9 | Irritable bowel syndrome, unspecified | ✓ |
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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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