ICD-10-CM M89.779: Major osseous defect, unspecified ankle and foot

Parent Code (Less Specific):

About ICD-10-CM Code M89.779 (Major osseous defect)

ICD-10-CM code M89.779 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 M89.779 became effective on October 1, 2024.

This page provides detailed information about M89.779 - Major osseous defect, unspecified ankle and foot. 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 Major osseous defect related to unspecified ankle and foot.