Billable / Specific Code
ICD-10-CM K91.858 is the diagnosis code for Other complications of intestinal pouch. This code falls under the section "Other diseases of the digestive system" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. 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 K91.858 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, K91.858 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
K91.858 is the ICD-10-CM diagnosis code for "Other complications of intestinal pouch". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of K91.858 is K91.85 ("Complications of intestinal pouch"). K91.858 provides a more specific classification within this category.
K91.858 is located in Section K90-K95 — "Other diseases of the digestive system" within Chapter 11 of the ICD-10-CM Tabular List.
Use K91.858 when the patients documented diagnosis matches "Other complications of intestinal pouch" 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 Other complications of intestinal pouch is K91.858.
Yes, K91.858 can be used as a primary diagnosis code since it is billable and specific.
K91.858 is in Chapter 11 of the ICD-10-CM Tabular List.
Yes, K91.858 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.