Non-Billable / Non-Specific Code
ICD-10-CM K58 is the diagnosis code for Irritable bowel syndrome. This code falls under the section "Other diseases of intestines" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where K58 sits in the ICD-10-CM classification helps ensure proper coding:
No, K58 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
K58 is the ICD-10-CM diagnosis code for "Irritable bowel syndrome". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
K58 is located in Section K55-K64 — "Other diseases of intestines" within Chapter 11 of the ICD-10-CM Tabular List.
K58 has 5 sub-code(s) that provide more specific detail: K58.0, K58.1, K58.2, K58.8, K58.9.
Use K58 when the patients documented diagnosis matches "Irritable bowel syndrome" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Irritable bowel syndrome is K58.
No, K58 is non-billable. Use a more specific sub-code for primary diagnosis billing.
K58 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K58 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.