ICD-10 Code K56.691 – Other complete intestinal obstruction (2026): Diagnosis, Symptoms & Billing Guide
2026 ICD-10-CM Diagnosis Code K56.691 – Other complete intestinal obstruction
What it is
K56.691 identifies a complete blockage of the intestine that is not classified elsewhere. Use it when the record shows total intestinal obstruction, but the cause or specific site is not coded in a more exact category.
Clinical signs
Typical findings include abdominal pain, distention, vomiting, and inability to pass stool or gas. Clinical features vary; refer to documentation for the exact location, cause, and whether the obstruction is complete.
When to use this code
Use this code when the provider documents a complete intestinal obstruction and does not specify a more precise diagnosis. It may fit cases described as “other” or when the etiology is known but the classification does not match a listed code. Check the operative note, imaging report, or discharge summary for supporting details.
Do not use for
Do not use it for partial or unspecified intestinal obstruction, or when the record clearly identifies a different obstructive diagnosis. If documentation is incomplete, check documentation rather than assuming this code.
Coding tip
Confirm that “complete” obstruction is explicitly documented before assigning K56.691.