ICD-10-CM M89.421: Other hypertrophic osteoarthropathy, right upper arm

ICD-10-CM Diagnosis Code (2025)

Official Description for M89.421

Other hypertrophic osteoarthropathy, right upper arm

Parent Code (Less Specific):

About ICD-10-CM Code M89.421 (Other hypertrophic osteoarthropathy)

ICD-10-CM code M89.421 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 M89.421 became effective on October 1, 2024.

This page provides detailed information about M89.421 - Other hypertrophic osteoarthropathy, right upper arm. 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 Other hypertrophic osteoarthropathy related to right upper arm.