731 Osteitis deformans and osteopathies associated with other disorders classified elsewhere 
731.0 Osteitis deformans without mention of bone tumor convert 731.0 to ICD-10-CM 731.1 Osteitis deformans in diseases classified elsewhere convert 731.1 to ICD-10-CM 731.2 Hypertrophic pulmonary osteoarthropathy convert 731.2 to ICD-10-CM 731.3 Major osseous defects convert 731.3 to ICD-10-CM
731.8 Other bone involvement in diseases classified elsewhere convert 731.8 to ICD-10-CM