ICD-10-CM M86.321: Chronic multifocal osteomyelitis, right humerus

ICD-10-CM Diagnosis Code (2025)

Official Description for M86.321

Chronic multifocal osteomyelitis, right humerus

Parent Code (Less Specific):

About ICD-10-CM Code M86.321 (Chronic multifocal osteomyelitis)

ICD-10-CM code M86.321 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 M86.321 became effective on October 1, 2024.

This page provides detailed information about M86.321 - Chronic multifocal osteomyelitis, right humerus. 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 Chronic multifocal osteomyelitis related to right humerus.