M85.021✓ Billable
Fibrous dysplasia (monostotic), right upper arm
Code Hierarchy
┌13Diseases of the musculoskeletal system and connective tissue (M00-M99)├M80-M85Disorders of bone density and structure (M80-M85)├M85Other disorders of bone density and structure
└M85.021Fibrous dysplasia (monostotic), right upper arm
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