2023 ICD-10-CM Index
2023 ICD-10-CM Index Terms Starting With 'O' (244)

Index Terms Starting With 'O' (244)

Obermeyer's relapsing fever A68.0
(European)
ICD-10-CM Diagnosis Code A68.0
Louse-borne relapsing fever
Applicable To
- Relapsing fever due to Borrelia recurrentis
Obesity E66.9
ICD-10-CM Diagnosis Code E66.9
Obesity, unspecified
Applicable To
- Obesity NOS
Oblique - see condition
Obliteration
Observation (following) (for) (without need for further medical care) Z04.9
ICD-10-CM Diagnosis Code Z04.9
Encounter for examination and observation for unspecified reason
Applicable To
- Encounter for observation NOS
Obsession, obsessional state F42.8
ICD-10-CM Diagnosis Code F42.8
Other obsessive-compulsive disorder
Applicable To
- Anancastic neurosis
- Obsessive-compulsive neurosis
Obsessive-compulsive neurosis or reaction F42.8
ICD-10-CM Diagnosis Code F42.8
Other obsessive-compulsive disorder
Applicable To
- Anancastic neurosis
- Obsessive-compulsive neurosis
Obstetric embolism, septic - see Embolism, obstetric, septic
Obstetrical trauma (complicating delivery) O71.9
ICD-10-CM Diagnosis Code O71.9
Obstetric trauma, unspecified
Obstipation - see Constipation
Obstruction, obstructed, obstructive
Obturator - see condition
Occlusal wear, teeth K03.0
ICD-10-CM Diagnosis Code K03.0
Excessive attrition of teeth
Applicable To
- Approximal wear of teeth
- Occlusal wear of teeth
Occlusio pupillae - see Membrane, pupillary
Occlusion, occluded
Occult
Occupational
Ochlophobia - see Agoraphobia
Ochronosis E70.29
(endogenous)
ICD-10-CM Diagnosis Code E70.29
Other disorders of tyrosine metabolism
Applicable To
- Alkaptonuria
- Ochronosis
Ocular muscle - see condition
Oculogyric crisis or disturbance H51.8
ICD-10-CM Diagnosis Code H51.8
Other specified disorders of binocular movement
Oculomotor syndrome H51.9
ICD-10-CM Diagnosis Code H51.9
Unspecified disorder of binocular movement
Oculopathy
Oddi's sphincter spasm K83.4
ICD-10-CM Diagnosis Code K83.4
Spasm of sphincter of Oddi
Odontalgia K08.89
ICD-10-CM Diagnosis Code K08.89
Other specified disorders of teeth and supporting structures
Applicable To
- Enlargement of alveolar ridge NOS
- Insufficient anatomic crown height
- Insufficient clinical crown length
- Irregular alveolar process
- Toothache NOS
Odontoameloblastoma - see Cyst, calcifying odontogenic
Odontoclasia K03.89
ICD-10-CM Diagnosis Code K03.89
Other specified diseases of hard tissues of teeth
Odontodysplasia, regional K00.4
ICD-10-CM Diagnosis Code K00.4
Disturbances in tooth formation
Applicable To
- Aplasia and hypoplasia of cementum
- Dilaceration of tooth
- Enamel hypoplasia (neonatal) (postnatal) (prenatal)
- Regional odontodysplasia
- Turner's tooth
Type 1 Excludes
- Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)
Type 2 Excludes
- mottled teeth (K00.3)
Odontogenesis imperfecta K00.5
ICD-10-CM Diagnosis Code K00.5
Hereditary disturbances in tooth structure, not elsewhere classified
Applicable To
- Amelogenesis imperfecta
- Dentinogenesis imperfecta
- Odontogenesis imperfecta
- Dentinal dysplasia
- Shell teeth
Odontoma (ameloblastic) (complex) (compound) (fibroameloblastic) - see Cyst, calcifying odontogenic
Odontomyelitis (closed) (open) K04.01
ICD-10-CM Diagnosis Code K04.01
Reversible pulpitis
Odontorrhagia K08.89
ICD-10-CM Diagnosis Code K08.89
Other specified disorders of teeth and supporting structures
Applicable To
- Enlargement of alveolar ridge NOS
- Insufficient anatomic crown height
- Insufficient clinical crown length
- Irregular alveolar process
- Toothache NOS
Odontosarcoma, ameloblastic C41.1
ICD-10-CM Diagnosis Code C41.1
Malignant neoplasm of mandible
Applicable To
- Malignant neoplasm of inferior maxilla
- Malignant neoplasm of lower jaw bone
Type 2 Excludes
- carcinoma, any type except intraosseous or odontogenic of:
- jaw NOS (C03.9)
- lower (C03.1)
- malignant neoplasm of upper jaw bone (C41.0)
Oestriasis - see Myiasis
Oguchi's disease H53.63
ICD-10-CM Diagnosis Code H53.63
Congenital night blindness
Ohara's disease - see Tularemia
OHS E66.2
(obesity hypoventilation syndrome)
ICD-10-CM Diagnosis Code E66.2
Morbid (severe) obesity with alveolar hypoventilation
Applicable To
- Obesity hypoventilation syndrome (OHS)
- Pickwickian syndrome
Oidiomycosis - see Candidiasis
Oidium albicans infection - see Candidiasis
Old I25.2
(previous)
ICD-10-CM Diagnosis Code I25.2
Old myocardial infarction
Applicable To
- Healed myocardial infarction
- Past myocardial infarction diagnosed by ECG or other investigation, but currently presenting no symptoms
Old age (without mention of debility) R54
ICD-10-CM Diagnosis Code R54
Age-related physical debility
Applicable To
- Frailty
- Old age
- Senescence
- Senile asthenia
- Senile debility
Type 1 Excludes
- age-related cognitive decline (R41.81)
- sarcopenia (M62.84)
- senile psychosis (F03)
- senility NOS (R41.81)
Olfactory - see condition
Oligemia - see Anemia
Oligoastrocytoma
Oligocythemia D64.9
ICD-10-CM Diagnosis Code D64.9
Anemia, unspecified
Oligodendroblastoma
Oligodendroglioma
Oligodontia - see Anodontia
Oligoencephalon Q02
ICD-10-CM Diagnosis Code Q02
Microcephaly
Code First
- , if applicable, congenital Zika virus disease
Includes
- hydromicrocephaly
- micrencephalon
Type 1 Excludes
- Meckel-Gruber syndrome (Q61.9)
Oligohidrosis L74.4
ICD-10-CM Diagnosis Code L74.4
Anhidrosis
Applicable To
- Hypohidrosis
Oligohydramnios O41.0-
ICD-10-CM Diagnosis Code O41.0-
Oligohydramnios
Applicable To
- Oligohydramnios without rupture of membranes
Oligohydrosis L74.4
ICD-10-CM Diagnosis Code L74.4
Anhidrosis
Applicable To
- Hypohidrosis
Oligomenorrhea N91.5
ICD-10-CM Diagnosis Code N91.5
Oligomenorrhea, unspecified
Applicable To
- Hypomenorrhea NOS
Oligophrenia - see also Disability, intellectual
Oligospermia N46.11
ICD-10-CM Diagnosis Code N46.11
Organic oligospermia
Applicable To
- Oligospermia NOS
Oligotrichia - see Alopecia
Oliguria R34
ICD-10-CM Diagnosis Code R34
Anuria and oliguria
Type 1 Excludes
- anuria and oliguria complicating abortion or ectopic or molar pregnancy (O00-O07, O08.4)
- anuria and oliguria complicating pregnancy (O26.83-)
- anuria and oliguria complicating the puerperium (O90.4)
Ollier's disease Q78.4
ICD-10-CM Diagnosis Code Q78.4
Enchondromatosis
Applicable To
- Maffucci's syndrome
- Ollier's disease
Omenotocele - see Hernia, abdomen, specified site NEC
Omentitis - see Peritonitis
Omentum, omental - see condition
Omphalitis (congenital) (newborn) P38.9
ICD-10-CM Diagnosis Code P38.9
Omphalitis without hemorrhage
Applicable To
- Omphalitis of newborn NOS
Omphalocele Q79.2
ICD-10-CM Diagnosis Code Q79.2
Exomphalos
Applicable To
- Omphalocele
Type 1 Excludes
- umbilical hernia (K42.-)
Omphalomesenteric duct, persistent Q43.0
ICD-10-CM Diagnosis Code Q43.0
Meckel's diverticulum (displaced) (hypertrophic)
Applicable To
- Persistent omphalomesenteric duct
- Persistent vitelline duct
Omphalorrhagia, newborn P51.9
ICD-10-CM Diagnosis Code P51.9
Umbilical hemorrhage of newborn, unspecified
Omsk hemorrhagic fever A98.1
ICD-10-CM Diagnosis Code A98.1
Omsk hemorrhagic fever
Onanism F98.8
(excessive)
ICD-10-CM Diagnosis Code F98.8
Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
Applicable To
- Excessive masturbation
- Nail-biting
- Nose-picking
- Thumb-sucking
Onchocerciasis, onchocercosis B73.1
ICD-10-CM Diagnosis Code B73.1
Onchocerciasis without eye disease
Oncocytoma - see Neoplasm, benign, by site
Oncovirus, as cause of disease classified elsewhere B97.32
ICD-10-CM Diagnosis Code B97.32
Oncovirus as the cause of diseases classified elsewhere
Ondine's curse - see Apnea, sleep
Oneirophrenia F23
ICD-10-CM Diagnosis Code F23
Brief psychotic disorder
Applicable To
- Paranoid reaction
- Psychogenic paranoid psychosis
Type 2 Excludes
- mood [affective] disorders with psychotic symptoms (F30.2, F31.2, F31.5, F31.64, F32.3, F33.3)
Onychauxis L60.2
ICD-10-CM Diagnosis Code L60.2
Onychogryphosis
Onychia - see also Cellulitis, digit
Onychitis - see also Cellulitis, digit
Onycho-osteodysplasia Q87.2
ICD-10-CM Diagnosis Code Q87.2
Congenital malformation syndromes predominantly involving limbs
Applicable To
- Holt-Oram syndrome
- Klippel-Trenaunay-Weber syndrome
- Nail patella syndrome
- Rubinstein-Taybi syndrome
- Sirenomelia syndrome
- Thrombocytopenia with absent radius [TAR] syndrome
- VATER syndrome
Onychocryptosis L60.0
ICD-10-CM Diagnosis Code L60.0
Ingrowing nail
Onychodystrophy L60.3
ICD-10-CM Diagnosis Code L60.3
Nail dystrophy
Onychogryphosis, onychogryposis L60.2
ICD-10-CM Diagnosis Code L60.2
Onychogryphosis
Onycholysis L60.1
ICD-10-CM Diagnosis Code L60.1
Onycholysis
Onychomadesis L60.8
ICD-10-CM Diagnosis Code L60.8
Other nail disorders
Onychomalacia L60.3
ICD-10-CM Diagnosis Code L60.3
Nail dystrophy
Onychomycosis B35.1
(finger) (toe)
ICD-10-CM Diagnosis Code B35.1
Tinea unguium
Applicable To
- Dermatophytic onychia
- Dermatophytosis of nail
- Onychomycosis
- Ringworm of nails
Onychophagia F98.8
ICD-10-CM Diagnosis Code F98.8
Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
Applicable To
- Excessive masturbation
- Nail-biting
- Nose-picking
- Thumb-sucking
Onychophosis L60.8
ICD-10-CM Diagnosis Code L60.8
Other nail disorders
Onychoptosis L60.8
ICD-10-CM Diagnosis Code L60.8
Other nail disorders
Onychorrhexis L60.3
ICD-10-CM Diagnosis Code L60.3
Nail dystrophy
Onychoschizia L60.3
ICD-10-CM Diagnosis Code L60.3
Nail dystrophy
Onyxis L60.0
(finger) (toe)
ICD-10-CM Diagnosis Code L60.0
Ingrowing nail
Onyxitis - see also Cellulitis, digit
Oophoritis (cystic) (infectional) (interstitial) N70.92
ICD-10-CM Diagnosis Code N70.92
Oophoritis, unspecified
Oophorocele N83.4-
ICD-10-CM Diagnosis Code N83.4-
Prolapse and hernia of ovary and fallopian tube
Opacity, opacities
Opalescent dentin K00.5
(hereditary)
ICD-10-CM Diagnosis Code K00.5
Hereditary disturbances in tooth structure, not elsewhere classified
Applicable To
- Amelogenesis imperfecta
- Dentinogenesis imperfecta
- Odontogenesis imperfecta
- Dentinal dysplasia
- Shell teeth
Open, opening
Operational fatigue F48.8
ICD-10-CM Diagnosis Code F48.8
Other specified nonpsychotic mental disorders
Applicable To
- Dhat syndrome
- Neurasthenia
- Occupational neurosis, including writer's cramp
- Psychasthenia
- Psychasthenic neurosis
- Psychogenic syncope
Operative - see condition
Operculitis - see Periodontitis
Operculum - see Break, retina
Ophiasis L63.2
ICD-10-CM Diagnosis Code L63.2
Ophiasis
Ophthalmia H10.9
- see also Conjunctivitis
ICD-10-CM Diagnosis Code H10.9
Unspecified conjunctivitis
Ophthalmitis - see Ophthalmia
Ophthalmocele Q15.8
(congenital)
ICD-10-CM Diagnosis Code Q15.8
Other specified congenital malformations of eye
Ophthalmoneuromyelitis G36.0
ICD-10-CM Diagnosis Code G36.0
Neuromyelitis optica [Devic]
Applicable To
- Demyelination in optic neuritis
Type 1 Excludes
- optic neuritis NOS (H46)
Ophthalmoplegia - see also Strabismus, paralytic
Opioid(s)
Opisthognathism M26.09
ICD-10-CM Diagnosis Code M26.09
Other specified anomalies of jaw size
Opisthorchiasis B66.0
(felineus) (viverrini)
ICD-10-CM Diagnosis Code B66.0
Opisthorchiasis
Applicable To
- Infection due to cat liver fluke
- Infection due to Opisthorchis (felineus)(viverrini)
Opitz' disease D73.2
ICD-10-CM Diagnosis Code D73.2
Chronic congestive splenomegaly
Opiumism - see Dependence, drug, opioid
Oppenheim's disease G70.2
ICD-10-CM Diagnosis Code G70.2
Congenital and developmental myasthenia
Oppenheim-Urbach disease (necrobiosis lipoidica diabeticorum) - see E08-E13 with .620
Optic nerve - see condition
Orbit - see condition
Orchioblastoma C62.9-
ICD-10-CM Diagnosis Code C62.9-
Malignant neoplasm of testis, unspecified whether descended or undescended
Orchitis (gangrenous) (nonspecific) (septic) (suppurative) N45.2
ICD-10-CM Diagnosis Code N45.2
Orchitis
Orf B08.02
(virus disease)
ICD-10-CM Diagnosis Code B08.02
Orf virus disease
Applicable To
- Contagious pustular dermatitis
- Ecthyma contagiosum
Organic - see also condition
Orgasm
Oriental
Orifice - see condition
Origin of both great vessels from right ventricle Q20.1
ICD-10-CM Diagnosis Code Q20.1
Double outlet right ventricle
Applicable To
- Taussig-Bing syndrome
Ormond's disease (with ureteral obstruction) N13.5
ICD-10-CM Diagnosis Code N13.5
Crossing vessel and stricture of ureter without hydronephrosis
Applicable To
- Kinking and stricture of ureter without hydronephrosis
Type 1 Excludes
- Crossing vessel and stricture of ureter without hydronephrosis with infection (N13.6)
Ornithine metabolism disorder E72.4
ICD-10-CM Diagnosis Code E72.4
Disorders of ornithine metabolism
Applicable To
- Hyperammonemia-Hyperornithinemia-Homocitrullinemia syndrome
- Ornithinemia (types I, II)
- Ornithine transcarbamylase deficiency
Type 1 Excludes
- hereditary choroidal dystrophy (H31.2-)
Ornithinemia E72.4
(Type I) (Type II)
ICD-10-CM Diagnosis Code E72.4
Disorders of ornithine metabolism
Applicable To
- Hyperammonemia-Hyperornithinemia-Homocitrullinemia syndrome
- Ornithinemia (types I, II)
- Ornithine transcarbamylase deficiency
Type 1 Excludes
- hereditary choroidal dystrophy (H31.2-)
Ornithosis A70
ICD-10-CM Diagnosis Code A70
Chlamydia psittaci infections
Applicable To
- Ornithosis
- Parrot fever
- Psittacosis
Orotaciduria, oroticaciduria (congenital) (hereditary) (pyrimidine deficiency) E79.8
ICD-10-CM Diagnosis Code E79.8
Other disorders of purine and pyrimidine metabolism
Applicable To
- Hereditary xanthinuria
Orthodontics
Orthopnea R06.01
ICD-10-CM Diagnosis Code R06.01
Orthopnea
Orthopoxvirus B08.09
ICD-10-CM Diagnosis Code B08.09
Other orthopoxvirus infections
Applicable To
- Orthopoxvirus infection NOS
Os, uterus - see condition
Osgood-Schlatter disease or osteochondrosis M92.52-
ICD-10-CM Diagnosis Code M92.52-
Juvenile osteochondrosis of tibia tubercle
Applicable To
- Osgood-Schlatter disease
Osler I78.0
(-Weber)
ICD-10-CM Diagnosis Code I78.0
Hereditary hemorrhagic telangiectasia
Applicable To
- Rendu-Osler-Weber disease
Osler's nodes I33.0
ICD-10-CM Diagnosis Code I33.0
Acute and subacute infective endocarditis
Applicable To
- Bacterial endocarditis (acute) (subacute)
- Infective endocarditis (acute) (subacute) NOS
- Endocarditis lenta (acute) (subacute)
- Malignant endocarditis (acute) (subacute)
- Purulent endocarditis (acute) (subacute)
- Septic endocarditis (acute) (subacute)
- Ulcerative endocarditis (acute) (subacute)
- Vegetative endocarditis (acute) (subacute)
Use Additional
- code (B95-B97) to identify infectious agent
Osmidrosis L75.0
ICD-10-CM Diagnosis Code L75.0
Bromhidrosis
Osseous - see condition
Ossification
Osteitis - see also Osteomyelitis
Osteo-onycho-arthro-dysplasia Q87.2
ICD-10-CM Diagnosis Code Q87.2
Congenital malformation syndromes predominantly involving limbs
Applicable To
- Holt-Oram syndrome
- Klippel-Trenaunay-Weber syndrome
- Nail patella syndrome
- Rubinstein-Taybi syndrome
- Sirenomelia syndrome
- Thrombocytopenia with absent radius [TAR] syndrome
- VATER syndrome
Osteo-onychodysplasia, hereditary Q87.2
ICD-10-CM Diagnosis Code Q87.2
Congenital malformation syndromes predominantly involving limbs
Applicable To
- Holt-Oram syndrome
- Klippel-Trenaunay-Weber syndrome
- Nail patella syndrome
- Rubinstein-Taybi syndrome
- Sirenomelia syndrome
- Thrombocytopenia with absent radius [TAR] syndrome
- VATER syndrome
Osteoarthritis M19.90
ICD-10-CM Diagnosis Code M19.90
Unspecified osteoarthritis, unspecified site
Applicable To
- Arthrosis NOS
- Arthritis NOS
- Osteoarthritis NOS
Osteoarthropathy (hypertrophic) M19.90
ICD-10-CM Diagnosis Code M19.90
Unspecified osteoarthritis, unspecified site
Applicable To
- Arthrosis NOS
- Arthritis NOS
- Osteoarthritis NOS
Osteoarthrosis (degenerative) (hypertrophic) (joint) - see also Osteoarthritis
Osteoblastoma - see Neoplasm, bone, benign
Osteochondritis - see also Osteochondropathy, by site
Osteochondroarthrosis deformans endemica - see Disease, Kaschin-Beck
Osteochondrodysplasia Q78.9
ICD-10-CM Diagnosis Code Q78.9
Osteochondrodysplasia, unspecified
Applicable To
- Chondrodystrophy NOS
- Osteodystrophy NOS
Osteochondrodystrophy E78.9
ICD-10-CM Diagnosis Code E78.9
Disorder of lipoprotein metabolism, unspecified
Osteochondrolysis - see Osteochondritis, dissecans
Osteochondroma - see Neoplasm, bone, benign
Osteochondromatosis D16.9
ICD-10-CM Diagnosis Code D16.9
Benign neoplasm of bone and articular cartilage, unspecified
Osteochondromyxosarcoma - see Neoplasm, bone, malignant
Osteochondropathy M93.90
ICD-10-CM Diagnosis Code M93.90
Osteochondropathy, unspecified of unspecified site
Osteochondrosarcoma - see Neoplasm, bone, malignant
Osteochondrosis - see also Osteochondropathy, by site
Osteoclastoma D48.0
ICD-10-CM Diagnosis Code D48.0
Neoplasm of uncertain behavior of bone and articular cartilage
Type 1 Excludes
- neoplasm of uncertain behavior of cartilage of ear (D48.1)
- neoplasm of uncertain behavior of cartilage of larynx (D38.0)
- neoplasm of uncertain behavior of cartilage of nose (D38.5)
- neoplasm of uncertain behavior of connective tissue of eyelid (D48.1)
- neoplasm of uncertain behavior of synovia (D48.1)
Osteodynia - see Disorder, bone, specified type NEC
Osteodystrophy Q78.9
ICD-10-CM Diagnosis Code Q78.9
Osteochondrodysplasia, unspecified
Applicable To
- Chondrodystrophy NOS
- Osteodystrophy NOS
Osteofibroma - see Neoplasm, bone, benign
Osteofibrosarcoma - see Neoplasm, bone, malignant
Osteogenesis imperfecta Q78.0
ICD-10-CM Diagnosis Code Q78.0
Osteogenesis imperfecta
Applicable To
- Fragilitas ossium
- Osteopsathyrosis
Osteogenic - see condition
Osteolysis M89.50
ICD-10-CM Diagnosis Code M89.50
Osteolysis, unspecified site
Osteoma - see also Neoplasm, bone, benign
Osteomalacia M83.9
ICD-10-CM Diagnosis Code M83.9
Adult osteomalacia, unspecified
Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) M86.9
ICD-10-CM Diagnosis Code M86.9
Osteomyelitis, unspecified
Applicable To
- Infection of bone NOS
- Periostitis without osteomyelitis
Osteomyelofibrosis D47.4
ICD-10-CM Diagnosis Code D47.4
Osteomyelofibrosis
Applicable To
- Chronic idiopathic myelofibrosis
- Myelofibrosis (idiopathic) (with myeloid metaplasia)
- Myelosclerosis (megakaryocytic) with myeloid metaplasia
- Secondary myelofibrosis in myeloproliferative disease
Type 1 Excludes
- acute myelofibrosis (C94.4-)
Osteomyelosclerosis D75.89
ICD-10-CM Diagnosis Code D75.89
Other specified diseases of blood and blood-forming organs
Osteonecrosis M87.9
ICD-10-CM Diagnosis Code M87.9
Osteonecrosis, unspecified
Applicable To
- Necrosis of bone NOS
Osteopathia condensans disseminata Q78.8
ICD-10-CM Diagnosis Code Q78.8
Other specified osteochondrodysplasias
Applicable To
- Osteopoikilosis
Osteopathy - see also Osteomyelitis, Osteonecrosis, Osteoporosis
Osteopenia M85.8-
ICD-10-CM Diagnosis Code M85.8-
Other specified disorders of bone density and structure
Applicable To
- Hyperostosis of bones, except skull
- Osteosclerosis, acquired
Type 1 Excludes
- diffuse idiopathic skeletal hyperostosis [DISH] (M48.1)
- osteosclerosis congenita (Q77.4)
- osteosclerosis fragilitas (generalista) (Q78.2)
- osteosclerosis myelofibrosis (D75.81)
Osteoperiostitis - see Osteomyelitis, specified type NEC
Osteopetrosis Q78.2
(familial)
ICD-10-CM Diagnosis Code Q78.2
Osteopetrosis
Applicable To
- Albers-Schönberg syndrome
- Osteosclerosis NOS
Osteophyte M25.70
ICD-10-CM Diagnosis Code M25.70
Osteophyte, unspecified joint
Osteopoikilosis Q78.8
ICD-10-CM Diagnosis Code Q78.8
Other specified osteochondrodysplasias
Applicable To
- Osteopoikilosis
Osteoporosis (female) (male) M81.0
ICD-10-CM Diagnosis Code M81.0
Age-related osteoporosis without current pathological fracture
Applicable To
- Involutional osteoporosis without current pathological fracture
- Osteoporosis NOS
- Postmenopausal osteoporosis without current pathological fracture
- Senile osteoporosis without current pathological fracture
Osteopsathyrosis Q78.0
(idiopathica)
ICD-10-CM Diagnosis Code Q78.0
Osteogenesis imperfecta
Applicable To
- Fragilitas ossium
- Osteopsathyrosis
Osteoradionecrosis, jaw M27.2
(acute) (chronic) (lower) (suppurative) (upper)
ICD-10-CM Diagnosis Code M27.2
Inflammatory conditions of jaws
Applicable To
- Osteitis of jaw(s)
- Osteomyelitis (neonatal) jaw(s)
- Osteoradionecrosis jaw(s)
- Periostitis jaw(s)
- Sequestrum of jaw bone
Type 2 Excludes
- osteonecrosis of jaw due to drug (M87.180)
Use Additional
- code (W88-W90, X39.0) to identify radiation, if radiation-induced
Osteosarcoma (any form) - see Neoplasm, bone, malignant
Osteosclerosis Q78.2
ICD-10-CM Diagnosis Code Q78.2
Osteopetrosis
Applicable To
- Albers-Schönberg syndrome
- Osteosclerosis NOS
Osteosclerotic anemia D64.89
ICD-10-CM Diagnosis Code D64.89
Other specified anemias
Applicable To
- Infantile pseudoleukemia
Osteosis
Ostium
Ostrum-Furst syndrome Q75.8
ICD-10-CM Diagnosis Code Q75.8
Other specified congenital malformations of skull and face bones
Applicable To
- Absence of skull bone, congenital
- Congenital deformity of forehead
- Platybasia
Otalgia H92.0
ICD-10-CM Diagnosis Code H92.0
Otalgia
Otitis (acute) H66.90
ICD-10-CM Diagnosis Code H66.90
Otitis media, unspecified, unspecified ear
Otocephaly Q18.2
ICD-10-CM Diagnosis Code Q18.2
Other branchial cleft malformations
Applicable To
- Branchial cleft malformation NOS
- Cervical auricle
- Otocephaly
Otolith syndrome H81.8
ICD-10-CM Diagnosis Code H81.8
Other disorders of vestibular function
Otomycosis (diffuse) B36.9
ICD-10-CM Diagnosis Code B36.9
Superficial mycosis, unspecified
Otoporosis - see Otosclerosis
Otorrhagia (nontraumatic) H92.2-
ICD-10-CM Diagnosis Code H92.2-
Otorrhagia
Type 1 Excludes
- traumatic otorrhagia - code to injury
Otorrhea H92.1-
ICD-10-CM Diagnosis Code H92.1-
Otorrhea
Type 1 Excludes
- leakage of cerebrospinal fluid through ear (G96.0)
Otosclerosis (general) H80.9-
ICD-10-CM Diagnosis Code H80.9-
Unspecified otosclerosis
Otospongiosis - see Otosclerosis
Otto's disease or pelvis M24.7
ICD-10-CM Diagnosis Code M24.7
Protrusio acetabuli
Outcome of delivery Z37.9
ICD-10-CM Diagnosis Code Z37.9
Outcome of delivery, unspecified
Applicable To
- Multiple birth NOS
- Single birth NOS
Outlet - see condition
Ovalocytosis (congenital) (hereditary) - see Elliptocytosis
Ovarian - see Condition
Ovariocele N83.4-
ICD-10-CM Diagnosis Code N83.4-
Prolapse and hernia of ovary and fallopian tube
Ovaritis (cystic) - see Oophoritis
Ovary, ovarian - see also condition
Overactive - see also Hyperfunction
Overactivity R46.3
ICD-10-CM Diagnosis Code R46.3
Overactivity
Overbite M26.29
(deep) (excessive) (horizontal) (vertical)
ICD-10-CM Diagnosis Code M26.29
Other anomalies of dental arch relationship
Applicable To
- Midline deviation of dental arch
- Overbite (excessive) deep
- Overbite (excessive) horizontal
- Overbite (excessive) vertical
- Posterior lingual occlusion of mandibular teeth
Overbreathing - see Hyperventilation
Overconscientious personality F60.5
ICD-10-CM Diagnosis Code F60.5
Obsessive-compulsive personality disorder
Applicable To
- Anankastic personality (disorder)
- Compulsive personality (disorder)
- Obsessional personality (disorder)
Type 2 Excludes
- obsessive-compulsive disorder (F42.-)
Overdevelopment - see Hypertrophy
Overdistension - see Distension
Overdose, overdosage (drug) - see Table of Drugs and Chemicals, by drug, poisoning
Overeating R63.2
ICD-10-CM Diagnosis Code R63.2
Polyphagia
Applicable To
- Excessive eating
- Hyperalimentation NOS
Overexertion T73.3
(effects) (exhaustion)
ICD-10-CM Diagnosis Code T73.3
Exhaustion due to excessive exertion
Applicable To
- Exhaustion due to overexertion
Overexposure (effects) T73.9
ICD-10-CM Diagnosis Code T73.9
Effect of deprivation, unspecified
Overfeeding - see Overeating
Overfill, endodontic M27.52
ICD-10-CM Diagnosis Code M27.52
Endodontic overfill
Overgrowth, bone - see Hypertrophy, bone
Overhanging of dental restorative material K08.52
(unrepairable)
ICD-10-CM Diagnosis Code K08.52
Unrepairable overhanging of dental restorative materials
Applicable To
- Overhanging of tooth restoration
Overheated (places) (effects) - see Heat
Overjet M26.23
(excessive horizontal)
ICD-10-CM Diagnosis Code M26.23
Excessive horizontal overlap
Applicable To
- Excessive horizontal overjet
Overlaid, overlying (suffocation) - see Asphyxia, traumatic, due to mechanical threat
Overlap, excessive horizontal M26.23
(teeth)
ICD-10-CM Diagnosis Code M26.23
Excessive horizontal overlap
Applicable To
- Excessive horizontal overjet
Overlapping toe (acquired) - see also Deformity, toe, specified NEC
Overload
Overnutrition - see Hyperalimentation
Overproduction - see also Hypersecretion
Overprotection, child by parent Z62.1
ICD-10-CM Diagnosis Code Z62.1
Parental overprotection
Overriding
Overstrained R53.83
ICD-10-CM Diagnosis Code R53.83
Other fatigue
Applicable To
- Fatigue NOS
- Lack of energy
- Lethargy
- Tiredness
Type 2 Excludes
- exhaustion and fatigue due to depressive episode (F32.-)
Overuse, muscle NEC M70.8-
ICD-10-CM Diagnosis Code M70.8-
Other soft tissue disorders related to use, overuse and pressure
Overweight E66.3
ICD-10-CM Diagnosis Code E66.3
Overweight
Overworked R53.83
ICD-10-CM Diagnosis Code R53.83
Other fatigue
Applicable To
- Fatigue NOS
- Lack of energy
- Lethargy
- Tiredness
Type 2 Excludes
- exhaustion and fatigue due to depressive episode (F32.-)
Oviduct - see condition
Ovotestis Q56.0
ICD-10-CM Diagnosis Code Q56.0
Hermaphroditism, not elsewhere classified
Applicable To
- Ovotestis
Ovulation (cycle)
Ovum - see condition
Owren's disease or syndrome D68.2
(parahemophilia)
ICD-10-CM Diagnosis Code D68.2
Hereditary deficiency of other clotting factors
Applicable To
- AC globulin deficiency
- Congenital afibrinogenemia
- Deficiency of factor I [fibrinogen]
- Deficiency of factor II [prothrombin]
- Deficiency of factor V [labile]
- Deficiency of factor VII [stable]
- Deficiency of factor X [Stuart-Prower]
- Deficiency of factor XII [Hageman]
- Deficiency of factor XIII [fibrin stabilizing]
- Dysfibrinogenemia (congenital)
- Hypoproconvertinemia
- Owren's disease
- Proaccelerin deficiency
Ox heart - see Hypertrophy, cardiac
Oxalosis E72.53
ICD-10-CM Diagnosis Code E72.53
Primary hyperoxaluria
Applicable To
- Oxalosis
- Oxaluria
Oxaluria E72.53
ICD-10-CM Diagnosis Code E72.53
Primary hyperoxaluria
Applicable To
- Oxalosis
- Oxaluria
Oxycephaly, oxycephalic Q75.0
ICD-10-CM Diagnosis Code Q75.0
Craniosynostosis
Applicable To
- Acrocephaly
- Imperfect fusion of skull
- Oxycephaly
- Trigonocephaly
Oxyuriasis B80
ICD-10-CM Diagnosis Code B80
Enterobiasis
Includes
- oxyuriasis
- pinworm infection
- threadworm infection
Oxyuris vermicularis B80
(infestation)
ICD-10-CM Diagnosis Code B80
Enterobiasis
Includes
- oxyuriasis
- pinworm infection
- threadworm infection
Ozena J31.0
ICD-10-CM Diagnosis Code J31.0
Chronic rhinitis
Applicable To
- Atrophic rhinitis (chronic)
- Granulomatous rhinitis (chronic)
- Hypertrophic rhinitis (chronic)
- Obstructive rhinitis (chronic)
- Ozena
- Purulent rhinitis (chronic)
- Rhinitis (chronic) NOS
- Ulcerative rhinitis (chronic)
Type 1 Excludes
- allergic rhinitis (J30.1-J30.9)
- vasomotor rhinitis (J30.0)

Index Terms Starting With 'O' (244)

Louse-borne relapsing fever

Obesity, unspecified

Encounter for examination and observation for unspecified reason

Other obsessive-compulsive disorder

Other obsessive-compulsive disorder

Obstetric trauma, unspecified

Excessive attrition of teeth

Other disorders of tyrosine metabolism

Other specified disorders of binocular movement

Unspecified disorder of binocular movement

Spasm of sphincter of Oddi

Other specified disorders of teeth and supporting structures

Other specified diseases of hard tissues of teeth

Disturbances in tooth formation

Hereditary disturbances in tooth structure, not elsewhere classified

Reversible pulpitis

Other specified disorders of teeth and supporting structures

Malignant neoplasm of mandible

Congenital night blindness

Morbid (severe) obesity with alveolar hypoventilation

Old myocardial infarction

Age-related physical debility

Anemia, unspecified

Microcephaly

Anhidrosis

Oligohydramnios

Anhidrosis

Oligomenorrhea, unspecified

Organic oligospermia

Anuria and oliguria

Enchondromatosis

Omphalitis without hemorrhage

Exomphalos

Meckel's diverticulum (displaced) (hypertrophic)

Umbilical hemorrhage of newborn, unspecified

Omsk hemorrhagic fever

Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence

Onchocerciasis without eye disease

Oncovirus as the cause of diseases classified elsewhere

Brief psychotic disorder

Onychogryphosis

Congenital malformation syndromes predominantly involving limbs

Ingrowing nail

Nail dystrophy

Onychogryphosis

Onycholysis

Other nail disorders

Nail dystrophy

Tinea unguium

Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence

Other nail disorders

Other nail disorders

Nail dystrophy

Nail dystrophy

Ingrowing nail

Oophoritis, unspecified

Prolapse and hernia of ovary and fallopian tube

Hereditary disturbances in tooth structure, not elsewhere classified

Other specified nonpsychotic mental disorders

Ophiasis

Unspecified conjunctivitis

Other specified congenital malformations of eye

Neuromyelitis optica [Devic]

Other specified anomalies of jaw size

Opisthorchiasis

Chronic congestive splenomegaly

Congenital and developmental myasthenia

Malignant neoplasm of testis, unspecified whether descended or undescended

Orchitis

Orf virus disease

Double outlet right ventricle

Crossing vessel and stricture of ureter without hydronephrosis

Disorders of ornithine metabolism

Disorders of ornithine metabolism

Chlamydia psittaci infections

Other disorders of purine and pyrimidine metabolism

Orthopnea

Other orthopoxvirus infections

Juvenile osteochondrosis of tibia tubercle