Disorder of peritoneum, unspecified

This code signifies a general, unspecified pathological condition affecting the peritoneum, the membrane lining the abdominal cavity and covering its organs. It indicates the presence of a peritoneal disorder without further specification of its nature, cause, or specific anatomical location within the peritoneum.

This code is appropriate when documentation clearly indicates a peritoneal disorder but lacks sufficient detail to assign a more specific code (e.g., peritonitis, adhesions, or ascites of a known etiology). It can be used when initial diagnostic workup is incomplete, or when the physician explicitly states "disorder of peritoneum, unspecified."

• Avoid using this code if more specific information about the peritoneal disorder is available in the medical record.
• Query the provider for clarification if the documentation suggests a specific peritoneal condition but doesn't explicitly state it.
• This code should generally be a last resort when no other specific peritoneal disorder code can be assigned.