Ormond's disease or syndrome 593.4

Ornithosis 073.9

Orodigitofacial dysostosis 759.89

Oropouche fever 066.3

Orotaciduria, oroticaciduria (congenital) (hereditary) (pyrimidine deficiency) 281.4

Oroya fever 088.0

Orthodontics V58.5

Orthopnea 786.02

Os, uterus - see condition

Osgood-Schlatter

Osler's

Osler-Rendu disease (familial hemorrhagic telangiectasia) 448.0

Osler-Vaquez disease (M9950/1) (polycythemia vera) 238.4

Osler-Weber-Rendu syndrome (familial hemorrhagic telangiectasia) 448.0

Osmidrosis 705.89

Osseous - see condition

Ossification

Osteitis (see also Osteomyelitis) 730.2

Osteoarthritica spondylitis (spine) (see also Spondylosis) 721.90

Osteoarthritis (see also Osteoarthrosis) 715.9

Osteoarthropathy (see also Osteoarthrosis) 715.9

Osteoarthrosis (degenerative) (hypertrophic) (rheumatoid) 715.9

Osteoblastoma (M9200/0) - see Neoplasm, bone, benign

Osteochondritis (see also Osteochondrosis) 732.9

Osteochondrodermodysplasia 756.59

Osteochondrodystrophy 277.5

Osteochondrolysis 732.7

Osteochondroma (M9210/0) - see also Neoplasm, bone, benign

Osteochondromatosis (M9210/1) 238.0

Osteochondromyxosarcoma (M9180/3) - see Neoplasm, bone, malignant

Osteochondropathy NEC 732.9

Osteochondrosarcoma (M9180/3) - see Neoplasm, bone, malignant

Osteochondrosis 732.9

Osteoclastoma (M9250/1) 238.0

Osteocopic pain 733.90

Osteodynia 733.90

Osteodystrophy

Osteofibroma (M9262/0) - see Neoplasm, bone, benign

Osteofibrosarcoma (M9182/3) - see Neoplasm, bone, malignant

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

Osteo-onycho-arthro dysplasia 756.89