ICD-10-CM K66.9: Disorder of peritoneum, unspecified

Parent Code (Less Specific):

About ICD-10-CM Code K66.9 (Disorder of peritoneum)

ICD-10-CM code K66.9 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM K66.9 became effective on October 1, 2024.

This page provides detailed information about K66.9 - Disorder of peritoneum, unspecified. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Disorder of peritoneum related to unspecified.