M21.82 — Other specified acquired deformities of upper arm

M21.82 is the ICD-10-CM 2025 code for Other specified acquired deformities of upper arm. ICD-10-CM is the medical coding system used by clinicians, hospitals and insurers worldwide to classify diseases and conditions in a standard way.

M21.82 is a category-level (umbrella) code rather than a billable specific code. For billing purposes, clinicians typically use a more specific sub-code under M21.82. Browse the sub-codes listed on this page.

M21.82 belongs to the chapter "Diseases of the musculoskeletal system and connective tissue" (codes M00-M99). ICD-10-CM organises codes into 22 chapters by body system or condition type, which helps clinicians navigate related diagnoses.

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