• Osteogenesis imperfecta 756.51
  • Osteogenic - see condition
  • Osteoma (M9180/0) - see also Neoplasm, bone, benign
  • Osteomalacia 268.2
  • Osteomalacic bone 268.2
  • Osteomalacosis 268.2
  • Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (pyogenic) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) 730.2
  • Osteomyelofibrosis 289.89
  • Osteomyelosclerosis 289.89
  • Osteonecrosis 733.40
  • Osteopathia
  • Osteopathy resulting from poliomyelitis (see also Poliomyelitis) 045.9 [730.7]
  • Osteopecilia 756.53
  • Osteopenia 733.90
  • Osteoperiostitis (see also Osteomyelitis) 730.2
  • Osteopetrosis (familial) 756.52
  • Osteophyte - see Exostosis
  • Osteophytosis - see Exostosis
  • Osteopoikilosis 756.53
  • Osteoporosis (generalized) 733.00
  • Osteoporosis-osteomalacia syndrome 268.2
  • Osteopsathyrosis 756.51