ICD-10-CM > M00-M99 > M86-M90 > M88 > M88.8 > M88.84 M88.84 Osteitis deformans of hand Non-Billable/Non-Specific Codes M88.841Osteitis deformans of right handM88.842Osteitis deformans of left handM88.849Osteitis deformans of unspecified hand