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ICD-10-CM-Index Title "O"

ICD-10-CM Index (O Title)

Search Diagnosis Description or Diagnosis Code
  • Obermeyer's relapsing fever(European)  A68.0 Diagnosis Flag for Obermeyer's relapsing fever(European) (A68.0) Diagnosis Flag for Obermeyer's relapsing fever(European) (A68.0)
  • Obesity  E66.9 Diagnosis Flag for Obesity (E66.9) Diagnosis Flag for Obesity (E66.9)
  • Oblique - see condition
  • Obliteration
  • Observation(following) (for) (without need for further medical care)  Z04.9 Diagnosis Flag for Observation(following) (for) (without need for further medical care) (Z04.9) Diagnosis Flag for Observation(following) (for) (without need for further medical care) (Z04.9)
  • Obsession, obsessional state  F42.8 Diagnosis Flag for Obsession, obsessional state (F42.8) Diagnosis Flag for Obsession, obsessional state (F42.8)
  • Obsessive-compulsive neurosis or reaction  F42.8 Diagnosis Flag for Obsessive-compulsive neurosis or reaction (F42.8) Diagnosis Flag for Obsessive-compulsive neurosis or reaction (F42.8)
  • Obstetric embolism, septic - see Embolism, obstetric, septic
  • Obstetrical trauma(complicating delivery)  O71.9 Diagnosis Flag for Obstetrical trauma(complicating delivery) (O71.9)
  • Obstipation - see Constipation
  • Obstruction, obstructed, obstructive
  • Obturator - see condition
  • Occlusal wear, teeth  K03.0 Diagnosis Flag for Occlusal wear, teeth (K03.0) Diagnosis Flag for Occlusal wear, teeth (K03.0)
  • Occlusio pupillae - see Membrane, pupillary
  • Occlusion, occluded
  • Occult
  • Occupational
  • Ochlophobia - see Agoraphobia
  • Ochronosis(endogenous)  E70.29 Diagnosis Flag for Ochronosis(endogenous) (E70.29) Diagnosis Flag for Ochronosis(endogenous) (E70.29)
  • Ocular muscle - see condition
  • Oculogyric crisis or disturbance  H51.8
  • Oculomotor syndrome  H51.9
  • Oculopathy
  • Oddi's sphincter spasm  K83.4
  • Odontalgia  K08.89 Diagnosis Flag for Odontalgia (K08.89) Diagnosis Flag for Odontalgia (K08.89)
  • Odontoameloblastoma - see Cyst, calcifying odontogenic
  • Odontoclasia  K03.89
  • Odontodysplasia, regional  K00.4 Diagnosis Flag for Odontodysplasia, regional (K00.4) Diagnosis Flag for Odontodysplasia, regional (K00.4)
  • Odontogenesis imperfecta  K00.5 Diagnosis Flag for Odontogenesis imperfecta (K00.5) Diagnosis Flag for Odontogenesis imperfecta (K00.5)
  • Odontoma(ameloblastic) (complex) (compound) (fibroameloblastic) - see Cyst, calcifying odontogenic
  • Odontomyelitis(closed) (open)  K04.01
  • Odontorrhagia  K08.89 Diagnosis Flag for Odontorrhagia (K08.89) Diagnosis Flag for Odontorrhagia (K08.89)
  • Odontosarcoma, ameloblastic  C41.1 Diagnosis Flag for Odontosarcoma, ameloblastic (C41.1) Diagnosis Flag for Odontosarcoma, ameloblastic (C41.1)
  • Oestriasis - see Myiasis
  • Oguchi's disease  H53.63
  • Ohara's disease - see Tularemia
  • OHS(obesity hypoventilation syndrome)  E66.2 Diagnosis Flag for OHS(obesity hypoventilation syndrome) (E66.2) Diagnosis Flag for OHS(obesity hypoventilation syndrome) (E66.2)
  • Oidiomycosis - see Candidiasis
  • Oidium albicans infection - see Candidiasis
  • Old age(without mention of debility)  R54 Diagnosis Flag for Old age(without mention of debility) (R54) Diagnosis Flag for Old age(without mention of debility) (R54)
  • Old(previous) myocardial infarction  I25.2 Diagnosis Flag for Old(previous) myocardial infarction (I25.2) Diagnosis Flag for Old(previous) myocardial infarction (I25.2)
  • Olfactory - see condition
  • Oligemia - see Anemia
  • Oligoastrocytoma
  • Oligocythemia  D64.9
  • Oligodendroblastoma
  • Oligodendroglioma
  • Oligodontia - see Anodontia
  • Oligoencephalon  Q02 Diagnosis Flag for Oligoencephalon (Q02)
  • Oligohidrosis  L74.4 Diagnosis Flag for Oligohidrosis (L74.4) Diagnosis Flag for Oligohidrosis (L74.4)
  • Oligohydramnios  O41.0-
  • Oligohydrosis  L74.4 Diagnosis Flag for Oligohydrosis (L74.4) Diagnosis Flag for Oligohydrosis (L74.4)
  • Oligomenorrhea  N91.5 Diagnosis Flag for Oligomenorrhea (N91.5) Diagnosis Flag for Oligomenorrhea (N91.5)
  • Oligophrenia - see also Disability, intellectual
  • Oligospermia  N46.11 Diagnosis Flag for Oligospermia (N46.11) Diagnosis Flag for Oligospermia (N46.11)
  • Oligotrichia - see Alopecia
  • Oliguria  R34
  • Ollier's disease  Q78.4 Diagnosis Flag for Ollier's disease (Q78.4) Diagnosis Flag for Ollier's disease (Q78.4)
  • Omentitis - see Peritonitis
  • Omentocele - see Hernia, abdomen, specified site NEC
  • Omentum, omental - see condition
  • Omphalitis(congenital) (newborn)  P38.9 Diagnosis Flag for Omphalitis(congenital) (newborn) (P38.9) Diagnosis Flag for Omphalitis(congenital) (newborn) (P38.9)
  • Omphalocele  Q79.2 Diagnosis Flag for Omphalocele (Q79.2) Diagnosis Flag for Omphalocele (Q79.2)
  • Omphalomesenteric duct, persistent  Q43.0 Diagnosis Flag for Omphalomesenteric duct, persistent (Q43.0) Diagnosis Flag for Omphalomesenteric duct, persistent (Q43.0)
  • Omphalorrhagia, newborn  P51.9 Diagnosis Flag for Omphalorrhagia, newborn (P51.9)
  • Omsk hemorrhagic fever  A98.1
  • Onanism(excessive)  F98.8 Diagnosis Flag for Onanism(excessive) (F98.8) Diagnosis Flag for Onanism(excessive) (F98.8)
  • Onchocerciasis, onchocercosis  B73.1
  • Oncocytoma - see Neoplasm, benign, by site
  • Oncovirus, as cause of disease classified elsewhere  B97.32
  • Ondine's curse - see Apnea, sleep
  • Oneirophrenia  F23 Diagnosis Flag for Oneirophrenia (F23) Diagnosis Flag for Oneirophrenia (F23)
  • Onychauxis  L60.2
  • Onychia - see also Cellulitis, digit
  • Onychitis - see also Cellulitis, digit
  • Onychocryptosis  L60.0
  • Onychodystrophy  L60.3
  • Onychogryphosis, onychogryposis  L60.2
  • Onycholysis  L60.1
  • Onychomadesis  L60.8
  • Onychomalacia  L60.3
  • Onychomycosis(finger) (toe)  B35.1 Diagnosis Flag for Onychomycosis(finger) (toe) (B35.1) Diagnosis Flag for Onychomycosis(finger) (toe) (B35.1)
  • Onycho-osteodysplasia  Q87.2 Diagnosis Flag for Onycho-osteodysplasia (Q87.2) Diagnosis Flag for Onycho-osteodysplasia (Q87.2)
  • Onychophagia  F98.8 Diagnosis Flag for Onychophagia (F98.8) Diagnosis Flag for Onychophagia (F98.8)
  • Onychoptosis  L60.8
  • Onychorrhexis  L60.3
  • Onychoschizia  L60.3
  • Onyxis(finger) (toe)  L60.0
  • Onyxitis - see also Cellulitis, digit
  • Oophoritis(cystic) (infectional) (interstitial)  N70.92 Diagnosis Flag for Oophoritis(cystic) (infectional) (interstitial) (N70.92)
  • Oophorocele  N83.4-
  • Opacity, opacities
  • Opalescent dentin(hereditary)  K00.5 Diagnosis Flag for Opalescent dentin(hereditary) (K00.5) Diagnosis Flag for Opalescent dentin(hereditary) (K00.5)
  • Open, opening
  • Operational fatigue  F48.8 Diagnosis Flag for Operational fatigue (F48.8) Diagnosis Flag for Operational fatigue (F48.8)
  • Operative - see condition
  • Operculitis - see Periodontitis
  • Operculum - see Break, retina
  • Ophiasis  L63.2
  • Ophthalmia - see also Conjunctivitis  H10.9
  • Ophthalmitis - see Ophthalmia
  • Ophthalmocele(congenital)  Q15.8
  • Ophthalmoneuromyelitis  G36.0 Diagnosis Flag for Ophthalmoneuromyelitis (G36.0) Diagnosis Flag for Ophthalmoneuromyelitis (G36.0)
  • Ophthalmoplegia - see also Strabismus, paralytic
  • Opioid(s)
  • Opisthognathism  M26.09
  • Opisthorchiasis(felineus) (viverrini)  B66.0 Diagnosis Flag for Opisthorchiasis(felineus) (viverrini) (B66.0) Diagnosis Flag for Opisthorchiasis(felineus) (viverrini) (B66.0)
  • Opitz' disease  D73.2
  • Opiumism - see Dependence, drug, opioid
  • Oppenheim's disease  G70.2 Diagnosis Flag for Oppenheim's disease (G70.2)
  • Oppenheim-Urbach disease(necrobiosis lipoidica diabeticorum)
  • Optic nerve - see condition
  • Orbit - see condition
  • Orchioblastoma  C62.9-
  • Orchitis(gangrenous) (nonspecific) (septic) (suppurative)  N45.2 Diagnosis Flag for Orchitis(gangrenous) (nonspecific) (septic) (suppurative) (N45.2)
  • Orf(virus disease)  B08.02 Diagnosis Flag for Orf(virus disease) (B08.02) Diagnosis Flag for Orf(virus disease) (B08.02)
  • Organic - see also condition
  • Orgasm
  • Oriental
  • Orifice - see condition
  • Origin of both great vessels from right ventricle  Q20.1 Diagnosis Flag for Origin of both great vessels from right ventricle (Q20.1) Diagnosis Flag for Origin of both great vessels from right ventricle (Q20.1)
  • Ormond's disease(with ureteral obstruction)  N13.5 Diagnosis Flag for Ormond's disease(with ureteral obstruction) (N13.5) Diagnosis Flag for Ormond's disease(with ureteral obstruction) (N13.5)
  • Ornithine metabolism disorder  E72.4 Diagnosis Flag for Ornithine metabolism disorder (E72.4) Diagnosis Flag for Ornithine metabolism disorder (E72.4)
  • Ornithinemia(Type I) (Type II)  E72.4 Diagnosis Flag for Ornithinemia(Type I) (Type II) (E72.4) Diagnosis Flag for Ornithinemia(Type I) (Type II) (E72.4)
  • Ornithosis  A70 Diagnosis Flag for Ornithosis (A70) Diagnosis Flag for Ornithosis (A70)
  • Orotaciduria, oroticaciduria(congenital) (hereditary) (pyrimidine deficiency)  E79.89
  • Orthodontics
  • Orthopnea  R06.01
  • Orthopoxvirus  B08.09 Diagnosis Flag for Orthopoxvirus (B08.09) Diagnosis Flag for Orthopoxvirus (B08.09)
  • Os, uterus - see condition
  • Osgood-Schlatter disease or osteochondrosis  M92.52-
  • Osler(-Weber)-Rendu disease  I78.0 Diagnosis Flag for Osler(-Weber)-Rendu disease (I78.0) Diagnosis Flag for Osler(-Weber)-Rendu disease (I78.0)
  • Osler's nodes  I33.0 Diagnosis Flag for Osler's nodes (I33.0) Diagnosis Flag for Osler's nodes (I33.0)
  • Osmidrosis  L75.0
  • Osseous - see condition
  • Ossification
  • Osteitis - see also Osteomyelitis
  • Osteoarthritis  M19.90 Diagnosis Flag for Osteoarthritis (M19.90) Diagnosis Flag for Osteoarthritis (M19.90)
  • Osteoarthropathy(hypertrophic)  M19.90 Diagnosis Flag for Osteoarthropathy(hypertrophic) (M19.90) Diagnosis Flag for Osteoarthropathy(hypertrophic) (M19.90)
  • Osteoarthrosis(degenerative) (hypertrophic) (joint) - see also Osteoarthritis
  • Osteoblastoma - see Neoplasm, bone, benign
  • Osteochondroarthrosis deformans endemica - see Disease, Kaschin-Beck
  • Osteochondritis - see also Osteochondropathy, by site
  • Osteochondrodysplasia  Q78.9 Diagnosis Flag for Osteochondrodysplasia (Q78.9) Diagnosis Flag for Osteochondrodysplasia (Q78.9)
  • Osteochondrodystrophy  E78.9 Diagnosis Flag for Osteochondrodystrophy (E78.9)
  • Osteochondrolysis - see Osteochondritis, dissecans
  • Osteochondroma - see Neoplasm, bone, benign
  • Osteochondromatosis  D16.9
  • Osteochondromyxosarcoma - see Neoplasm, bone, malignant
  • Osteochondropathy  M93.90
  • Osteochondrosarcoma - see Neoplasm, bone, malignant
  • Osteochondrosis - see also Osteochondropathy, by site
  • Osteoclastoma  D48.0
  • Osteodynia - see Disorder, bone, specified type NEC
  • Osteodystrophy  Q78.9 Diagnosis Flag for Osteodystrophy (Q78.9) Diagnosis Flag for Osteodystrophy (Q78.9)
  • Osteofibroma - see Neoplasm, bone, benign
  • Osteofibrosarcoma - see Neoplasm, bone, malignant
  • Osteogenesis imperfecta  Q78.0 Diagnosis Flag for Osteogenesis imperfecta (Q78.0) Diagnosis Flag for Osteogenesis imperfecta (Q78.0)
  • Osteogenic - see condition
  • Osteolysis  M89.50
  • Osteoma - see also Neoplasm, bone, benign
  • Osteomalacia  M83.9 Diagnosis Flag for Osteomalacia (M83.9)
  • Osteomyelitis(general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis)  M86.9 Diagnosis Flag for Osteomyelitis(general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) (M86.9) Diagnosis Flag for Osteomyelitis(general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) (M86.9)
  • Osteomyelofibrosis  D47.4 Diagnosis Flag for Osteomyelofibrosis (D47.4) Diagnosis Flag for Osteomyelofibrosis (D47.4)
  • Osteomyelosclerosis  D75.89
  • Osteonecrosis  M87.9 Diagnosis Flag for Osteonecrosis (M87.9) Diagnosis Flag for Osteonecrosis (M87.9)
  • Osteo-onycho-arthro-dysplasia  Q87.2 Diagnosis Flag for Osteo-onycho-arthro-dysplasia (Q87.2) Diagnosis Flag for Osteo-onycho-arthro-dysplasia (Q87.2)
  • Osteo-onychodysplasia, hereditary  Q87.2 Diagnosis Flag for Osteo-onychodysplasia, hereditary (Q87.2) Diagnosis Flag for Osteo-onychodysplasia, hereditary (Q87.2)
  • Osteopathia condensans disseminata  Q78.8 Diagnosis Flag for Osteopathia condensans disseminata (Q78.8) Diagnosis Flag for Osteopathia condensans disseminata (Q78.8)
  • Osteopathy - see also Osteomyelitis, Osteonecrosis, Osteoporosis
  • Osteopenia  M85.8-
  • Osteoperiostitis - see Osteomyelitis, specified type NEC
  • Osteopetrosis(familial)  Q78.2 Diagnosis Flag for Osteopetrosis(familial) (Q78.2) Diagnosis Flag for Osteopetrosis(familial) (Q78.2)
  • Osteophyte  M25.70
  • Osteopoikilosis  Q78.8 Diagnosis Flag for Osteopoikilosis (Q78.8) Diagnosis Flag for Osteopoikilosis (Q78.8)
  • Osteoporosis(female) (male)  M81.0 Diagnosis Flag for Osteoporosis(female) (male) (M81.0) Diagnosis Flag for Osteoporosis(female) (male) (M81.0)
  • Osteopsathyrosis(idiopathica)  Q78.0 Diagnosis Flag for Osteopsathyrosis(idiopathica) (Q78.0) Diagnosis Flag for Osteopsathyrosis(idiopathica) (Q78.0)
  • Osteoradionecrosis, jaw(acute) (chronic) (lower) (suppurative) (upper)  M27.2 Diagnosis Flag for Osteoradionecrosis, jaw(acute) (chronic) (lower) (suppurative) (upper) (M27.2) Diagnosis Flag for Osteoradionecrosis, jaw(acute) (chronic) (lower) (suppurative) (upper) (M27.2)
  • Osteosarcoma(any form) - see Neoplasm, bone, malignant
  • Osteosclerosis  Q78.2 Diagnosis Flag for Osteosclerosis (Q78.2) Diagnosis Flag for Osteosclerosis (Q78.2)
  • Osteosclerotic anemia  D64.89 Diagnosis Flag for Osteosclerotic anemia (D64.89) Diagnosis Flag for Osteosclerotic anemia (D64.89)
  • Osteosis
  • Österreicher-Turner syndrome  Q87.2 Diagnosis Flag for Österreicher-Turner syndrome (Q87.2) Diagnosis Flag for Österreicher-Turner syndrome (Q87.2)
  • Ostium
  • Ostrum-Furst syndrome  Q75.8 Diagnosis Flag for Ostrum-Furst syndrome (Q75.8) Diagnosis Flag for Ostrum-Furst syndrome (Q75.8)
  • Otalgia
  • Otitis(acute)  H66.90
  • Otocephaly  Q18.2 Diagnosis Flag for Otocephaly (Q18.2) Diagnosis Flag for Otocephaly (Q18.2)
  • Otolith syndrome
  • Otomycosis(diffuse) NEC  B36.9
  • Otoporosis - see Otosclerosis
  • Otorrhagia(nontraumatic)  H92.2-
  • Otorrhea  H92.1-
  • Otosclerosis(general)  H80.9-
  • Otospongiosis - see Otosclerosis
  • Otto's disease or pelvis  M24.7
  • Outcome of delivery  Z37.9 Diagnosis Flag for Outcome of delivery (Z37.9) Diagnosis Flag for Outcome of delivery (Z37.9)
  • Outlet - see condition
  • Ovalocytosis(congenital) (hereditary) - see Elliptocytosis
  • Ovarian - see Condition
  • Ovariocele  N83.4-
  • Ovaritis(cystic) - see Oophoritis
  • Ovary, ovarian - see also condition
  • Overactive - see also Hyperfunction
  • Overactivity  R46.3
  • Overbite(deep) (excessive) (horizontal) (vertical)  M26.29 Diagnosis Flag for Overbite(deep) (excessive) (horizontal) (vertical) (M26.29) Diagnosis Flag for Overbite(deep) (excessive) (horizontal) (vertical) (M26.29)
  • Overbreathing - see Hyperventilation
  • Overconscientious personality  F60.5 Diagnosis Flag for Overconscientious personality (F60.5) Diagnosis Flag for Overconscientious personality (F60.5)
  • Overdevelopment - see Hypertrophy
  • Overdistension - see Distension
  • Overdose, overdosage(drug)
  • Overeating  R63.2 Diagnosis Flag for Overeating (R63.2) Diagnosis Flag for Overeating (R63.2)
  • Overexertion(effects) (exhaustion)  T73.3 Diagnosis Flag for Overexertion(effects) (exhaustion) (T73.3) Diagnosis Flag for Overexertion(effects) (exhaustion) (T73.3)
  • Overexposure(effects)  T73.9
  • Overfeeding - see Overeating
  • Overfill, endodontic  M27.52
  • Overgrowth
  • Overhanging of dental restorative material(unrepairable)  K08.52 Diagnosis Flag for Overhanging of dental restorative material(unrepairable) (K08.52) Diagnosis Flag for Overhanging of dental restorative material(unrepairable) (K08.52)
  • Overheated(places) (effects) - see Heat
  • Overjet(excessive horizontal)  M26.23 Diagnosis Flag for Overjet(excessive horizontal) (M26.23) Diagnosis Flag for Overjet(excessive horizontal) (M26.23)
  • Overlaid, overlying(suffocation) - see Asphyxia, traumatic, due to mechanical threat
  • Overlap, excessive horizontal(teeth)  M26.23 Diagnosis Flag for Overlap, excessive horizontal(teeth) (M26.23) Diagnosis Flag for Overlap, excessive horizontal(teeth) (M26.23)
  • Overlapping toe(acquired) - see also Deformity, toe, specified NEC
  • Overload
  • Overnutrition - see Hyperalimentation
  • Overproduction - see also Hypersecretion
  • Overprotection, child by parent  Z62.1
  • Overriding
  • Overstrained  R53.83 Diagnosis Flag for Overstrained (R53.83) Diagnosis Flag for Overstrained (R53.83)
  • Overuse, muscle NEC  M70.8-
  • Overweight  E66.3
  • Overworked  R53.83 Diagnosis Flag for Overworked (R53.83) Diagnosis Flag for Overworked (R53.83)
  • Oviduct - see condition
  • Ovotestis  Q56.0 Diagnosis Flag for Ovotestis (Q56.0) Diagnosis Flag for Ovotestis (Q56.0)
  • Ovulation(cycle)
  • Ovum - see condition
  • Owren's disease or syndrome(parahemophilia)  D68.2 Diagnosis Flag for Owren's disease or syndrome(parahemophilia) (D68.2) Diagnosis Flag for Owren's disease or syndrome(parahemophilia) (D68.2)
  • Ox heart - see Hypertrophy, cardiac
  • Oxalosis  E72.53 Diagnosis Flag for Oxalosis (E72.53) Diagnosis Flag for Oxalosis (E72.53)
  • Oxaluria  E72.53 Diagnosis Flag for Oxaluria (E72.53) Diagnosis Flag for Oxaluria (E72.53)
  • Oxycephaly, oxycephalic  Q75.009 Diagnosis Flag for Oxycephaly, oxycephalic (Q75.009) Diagnosis Flag for Oxycephaly, oxycephalic (Q75.009)
  • Oxyuriasis  B80
  • Oxyuris vermicularis(infestation)  B80
  • Ozena  J31.0 Diagnosis Flag for Ozena (J31.0) Diagnosis Flag for Ozena (J31.0)