ICD-10-CM Index - Letter O

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Terms starting with 'O'

Obermeyer's relapsing fever A68.0
Obesity E66.9
- with alveolar hypoventilation E66.2
- adrenal E27.8
- class
  - 1 E66.811
  - 2 E66.812
  - 3 E66.813
- complicating
  - childbirth O99.214
  - pregnancy O99.21-
  - puerperium O99.215
- constitutional E66.89
- dietary counseling and surveillance Z71.3
- drug-induced E66.1
- due to
  - disruption of MC4R pathway E88.82
  - drug E66.1
  - excess calories E66.09
    - morbid E66.01
    - severe E66.01
  - gene mutation
    - leptin E88.82
    - leptin receptor E88.82
    - melanocortin 4 Receptor E88.82
    - nuclear receptor coactivator 1 E88.82
    - proopiomelanocortin E88.82
    - proprotein convertase subtilisin/kexin type 1 E88.82
    - src homology 2B adaptor signaling protein E88.82
- endocrine E66.89
- endogenous E66.89
- exogenous E66.09
- familial E66.89
- glandular E66.89
- hypothyroid (see: Hypothyroidism)
- hypoventilation syndrome E66.2
- morbid E66.01
  - with
    - alveolar hypoventilation E66.2
    - obesity hypoventilation syndrome E66.2
  - due to excess calories E66.01
- nutritional E66.09
- pituitary E23.6
- severe E66.01
- specified type NEC E66.89
Oblique (see: condition)
Obliteration
- appendix K38.8
- artery I77.1
- bile duct K83.1
- common duct K83.1
- cystic duct (see: Obstruction, gallbladder)
- disease, arteriolar I77.1
- endometrium N85.8
- eye, anterior chamber (see: Disorder, globe, hypotony)
- fallopian tube N97.1
- lymphatic vessel I89.0
  - due to mastectomy I97.2
- organ or site, congenital NEC (see: Atresia, by site)
- ureter N13.5
  - with infection N13.6
- urethra (see: Stricture, urethra)
- vein I87.8
- vestibule K08.89
Observation Z04.9
- accident NEC Z04.3
  - at work Z04.2
  - transport Z04.1
- adverse effect of drug Z03.6
- alleged rape or sexual assault
  - adult Z04.41
  - child Z04.42
- criminal assault Z04.89
- development state
  - adolescent Z00.3
  - period of rapid growth in childhood Z00.2
  - puberty Z00.3
- disease, specified NEC Z03.89
- following work accident Z04.2
- forced sexual exploitation Z04.81
- forced labor exploitation Z04.82
- growth and development state (see: Observation, development state)
- injuries
- newborn
  - suspected condition, related to exposure from the mother or birth process (see: - Newborn, affected by, maternal)
    - ruled out Z05.9
      - cardiac Z05.0
      - connective tissue Z05.73
      - gastrointestinal Z05.5
      - genetic Z05.41
      - genitourinary Z05.6
      - immunologic Z05.43
      - infectious Z05.1
      - metabolic Z05.42
      - musculoskeletal Z05.72
      - neurological Z05.2
      - respiratory Z05.3
      - skin and subcutaneous tissue Z05.71
      - specified condition NEC Z05.89
- postpartum
  - immediately after delivery Z39.0
  - routine follow-up Z39.2
- pregnancy Z34.9-
  - high risk O09.9-
- suicide attempt, alleged NEC Z03.89
  - self-poisoning Z03.6
- suspected, ruled out
  - abuse, physical
    - adult Z04.71
    - child Z04.72
  - accident at work Z04.2
  - adult battering victim Z04.71
  - child battering victim Z04.72
  - condition NEC Z03.89
    - newborn Z05.9
  - drug poisoning or adverse effect Z03.6
  - exposure
    - anthrax Z03.810
    - biological agent NEC Z03.818
  - inflicted injury NEC Z04.89
  - foreign body
    - aspirated Z03.822
    - ingested Z03.821
    - inserted Z03.823
  - suicide attempt, alleged Z03.89
    - self-poisoning Z03.6
  - toxic effects from ingested substance Z03.6
- toxic effects from ingested substance Z03.6
Obsession, obsessional state F42.8
- mixed thoughts and acts F42.2
Obsessive-compulsive neurosis or reaction F42.8
Obstetric embolism, septic (see: Embolism, obstetric, septic)
Obstetrical trauma O71.9
- with or following ectopic or molar pregnancy O08.6
- specified type NEC O71.89
Obstipation (see: Constipation)
Obstruction, obstructed, obstructive
- airway J98.8
  - with
    - allergic alveolitis J67.9
    - asthma J45.909
      - with
        
        exacerbation J45.901
        
        status asthmaticus J45.902
    - bronchiectasis J47.9
      - with
        
        exacerbation J47.1
        
        lower respiratory infection J47.0
    - bronchitis J44.89
    - emphysema J43.9
  - chronic J44.9
    - with
      - allergic alveolitis (see: Pneumonitis, hypersensitivity)
      - bronchiectasis J47.9
        
        with
        
        exacerbation J47.1
        
        lower respiratory infection J47.0
  - due to
    - foreign body (see: Foreign body, by site, causing asphyxia)
    - inhalation of fumes or vapors J68.9
    - laryngospasm J38.5
- ampulla of Vater K83.1
- aortic (see: Stenosis, aortic)
- aortoiliac I74.09
- aqueduct of Sylvius G91.1
  - congenital Q03.0
    - with spina bifida (see: Spina bifida, by site, with hydrocephalus)
- Arnold-Chiari (see: Arnold-Chiari disease)
- artery I70.9
  - stent (see: Restenosis, stent)
  - basilar (see: Occlusion, artery, basilar)
  - carotid (see: Occlusion, artery, carotid)
  - cerebellar (see: Occlusion, artery, cerebellar)
  - cerebral (see: Occlusion, artery, cerebral)
  - precerebral (see: Occlusion, artery, precerebral)
  - renal N28.0
  - retinal NEC (see: Occlusion, artery, retina)
  - vertebral (see: Occlusion, artery, vertebral)
- band K56.699
- bile duct or passage K83.1
  - with calculus K80.51
  - congenital Q44.3
- biliary K83.1
  - gallbladder K82.0
- bladder-neck N32.0
  - congenital Q64.31
  - due to hyperplasia (see: Hyperplasia, prostate)
- bowel (see: Obstruction, intestine)
- bronchus J98.09
- canal, ear (see: Stenosis, external ear canal)
- cardia K22.2
- caval veins I87.1
- cecum (see: Obstruction, intestine)
- circulatory I99.8
- colon (see: Obstruction, intestine)
- common duct K83.1
- coronary (see: Occlusion, coronary)
- cystic duct
  - with calculus K80.21
- device, implant or graft T85.698
  - arterial graft NEC (see: Complication, cardiovascular device, mechanical, vascular)
  - catheter NEC T85.628
    - cystostomy T83.090
    - dialysis T82.49
      - intraperitoneal T85.691
    - Hopkins T83.098
    - ileostomy T83.098
    - infusion NEC T82.594
      - spinal T85.690
    - nephrostomy T83.092
    - urethral indwelling T83.091
    - urinary T83.098
    - urostomy T83.098
  - due to infection T85.79
  - gastrointestinal (see: Complications, prosthetic device, mechanical, gastrointestinal device)
  - genital NEC T83.498
    - intrauterine contraceptive device T83.39
    - penile prosthesis T83.490
    - testicular prosthesis T83.491
  - heart NEC (see: Complication, cardiovascular device, mechanical)
  - joint prosthesis (see: Complications, joint prosthesis, mechanical, specified NEC, by site)
  - orthopedic NEC (see: Complication, orthopedic, device, mechanical)
  - specified NEC T85.628
  - urinary NEC
    - graft T83.29
  - vascular NEC (see: Complication, cardiovascular device, mechanical)
  - ventricular intracranial shunt T85.09
- due to foreign body accidentally left in operative wound T81.529
- duodenum K31.5
- ejaculatory duct N50.89
- esophagus K22.2
- eustachian tube H68.10-
  - cartilagenous H68.13-
    - intrinsic H68.12-
  - osseous H68.11-
- fallopian tube N97.1
- fecal K56.41
  - with hernia (see: Hernia, by site, with obstruction)
- foramen of Monro Q03.8
  - with spina bifida (see: Spina bifida, by site, with hydrocephalus)
- foreign body (see: Foreign body)
- gallbladder K82.0
  - with calculus, stones K80.21
  - congenital Q44.1
- gastric outlet K31.1
- gastrointestinal (see: Obstruction, intestine)
- hepatic K76.89
  - duct K83.1
- hepatobiliary K83.1
- ileum (see: Obstruction, intestine)
- iliofemoral I74.5
- intestine K56.609
  - complete K56.601
  - incomplete K56.600
  - partial K56.600
  - with
    - adhesions K56.50
      - complete K56.52
      - incomplete K56.51
      - partial K56.51
  - adynamic K56.0
  - by gallstone K56.3
  - congenital Q41.9
    - large Q42.9
      - specified part NEC Q42.8
  - neurogenic K56.0
    - Hirschsprung's disease or megacolon Q43.1
  - newborn P76.9
    - due to
      - fecaliths P76.8
      - inspissated milk P76.2
      - meconium P76.0
        
        in mucoviscidosis E84.11
    - specified NEC P76.8
  - postoperative K91.30
    - complete K91.32
    - incomplete K91.31
    - partial K91.31
  - reflex K56.0
  - specified NEC K56.699
    - complete K56.691
    - incomplete K56.690
    - partial K56.690
  - volvulus K56.2
- intracardiac ball valve prosthesis T82.09
- jejunum (see: Obstruction, intestine)
- joint prosthesis (see: Complications, joint prosthesis, mechanical, specified NEC, by site)
- kidney N28.89
- labor (see: Delivery)
- lacrimal
  - by
    - dacryolith (see: Dacryolith)
    - stenosis (see: Stenosis, lacrimal)
  - congenital Q10.5
  - neonatal H04.53-
- lacrimonasal duct (see: Obstruction, lacrimal)
- lacteal, with steatorrhea K90.2
- laryngitis (see: Laryngitis)
- larynx NEC J38.6
  - congenital Q31.8
- lung J98.4
  - disease, chronic J44.9
- lymphatic I89.0
- meconium
  - newborn P76.0
    - due to fecaliths P76.0
    - in mucoviscidosis E84.11
- mitral (see: Stenosis, mitral)
- nasal J34.89
- nasolacrimal duct
  - congenital Q10.5
- nasopharynx J39.2
- nose J34.89
- organ or site, congenital NEC (see: Atresia, by site)
- pancreatic duct K86.89
- parotid duct or gland K11.8
- pelviureteral junction N13.5
  - with hydronephrosis N13.0
  - congenital Q62.39
- pharynx J39.2
- portal I81
- prostate
  - valve N32.0
- pulmonary valve I37.0
- pyelonephritis N11.1
- pylorus
  - adult K31.1
  - congenital or infantile Q40.0
- rectosigmoid (see: Obstruction, intestine)
- rectum K62.4
- renal N28.89
  - outflow N13.8
  - pelvis, congenital Q62.39
- respiratory J98.8
  - chronic J44.9
- retinal H34.9
- salivary duct K11.8
  - with calculus K11.5
- sigmoid (see: Obstruction, intestine)
- sinus J34.89
- Stensen's duct K11.8
- stomach NEC K31.89
  - acute K31.0
  - congenital Q40.2
  - due to pylorospasm K31.3
- submandibular duct K11.8
- submaxillary gland K11.8
  - with calculus K11.5
- thoracic duct I89.0
- thrombotic (see: Thrombosis)
- trachea J39.8
- tracheostomy airway J95.03
- tricuspid (see: Stenosis, tricuspid)
- upper respiratory, congenital Q34.8
- ureter N13.5
  - with
    - hydronephrosis N13.1
      - with infection N13.6
      - congenital Q62.39
    - pyelonephritis N11.1
  - congenital Q62.39
  - due to calculus (see: Calculus, ureter)
- urethra NEC N36.8
  - congenital Q64.39
- urinary N13.9
  - due to hyperplasia (see: Hyperplasia, prostate)
  - organ or tract N13.9
  - prostatic valve N32.0
  - specified NEC N13.8
- uropathy N13.9
- uterus N85.8
- vagina N89.5
- valvular (see: Endocarditis)
- vein, venous I87.1
  - caval I87.1
  - thrombotic (see: Thrombosis)
- vena cava I87.1
- vesical NEC N32.0
- vesicourethral orifice N32.0
  - congenital Q64.31
- vessel NEC I99.8
  - stent (see: Restenosis, stent)
Obturator (see: condition)
Occlusal wear, teeth K03.0
Occlusio pupillae (see: Membrane, pupillary)
Occlusion, occluded
- anus K62.4
  - congenital Q42.3
    - with fistula Q42.2
- aortoiliac I74.09
- aqueduct of Sylvius G91.1
  - congenital Q03.0
    - with spina bifida (see: Spina bifida, by site, with hydrocephalus)
- artery I70.9
  - auditory, internal I65.8
  - basilar I65.1
    - with
      - infarction I63.22
        
        due to
        
        embolism I63.12
        
        thrombosis I63.02
  - brain or cerebral I66.9
    - with infarction I63.5-
      - embolism I63.4-
      - thrombosis I63.3-
  - carotid I65.2-
    - with
      - infarction I63.23-
        
        due to
        
        embolism I63.13-
        
        thrombosis I63.03-
  - cerebellar I66.3
    - with infarction I63.54-
      - due to
        
        embolism I63.44-
        
        thrombosis I63.34-
  - cerebral I66.9
    - with infarction I63.50
      - due to
        
        embolism I63.40
        
        specified NEC I63.49
        
        thrombosis I63.30
        
        specified NEC I63.39
    - anterior I66.1-
      - with infarction I63.52-
        
        due to
        
        embolism I63.42-
        
        thrombosis I63.32-
    - middle I66.0-
      - with infarction I63.51-
        
        due to
        
        embolism I63.41-
        
        thrombosis I63.31-
    - posterior I66.2-
      - with infarction I63.53-
        
        due to
        
        embolism I63.43-
        
        thrombosis I63.33-
    - specified NEC I66.8
      - with infarction I63.59
        
        due to
        
        embolism I63.4-
        
        thrombosis I63.3-
  - choroidal (see: Occlusion, artery, precerebral, specified NEC)
  - communicating posterior (see: Occlusion, artery, precerebral, specified NEC)
  - complete
    - coronary I25.82
    - extremities I70.92
  - coronary I24.0
    - with myocardial infarction (see: Infarction, myocardium)
    - chronic total I25.82
    - complete I25.82
    - healed or old I25.2
    - total I25.82
  - hypophyseal (see: Occlusion, artery, precerebral, specified NEC)
  - iliac I74.5
  - lower extremities due to stenosis or stricture I77.1
  - mesenteric K55.069
  - perforating (see: Occlusion, artery, cerebral, specified NEC)
  - peripheral I77.9
    - thrombotic or embolic I74.4
  - pontine (see: Occlusion, artery, precerebral, specified NEC)
  - precerebral I65.9
    - with infarction I63.20
      - specified NEC I63.29
      - due to
        
        embolism I63.10
        
        specified NEC I63.19
        
        thrombosis I63.00
        
        specified NEC I63.09
    - basilar (see: Occlusion, artery, basilar)
    - carotid (see: Occlusion, artery, carotid)
    - puerperal O88.23
    - specified NEC I65.8
      - with infarction I63.29
        
        due to
        
        embolism I63.19
        
        thrombosis I63.09
    - vertebral (see: Occlusion, artery, vertebral)
  - renal N28.0
  - retinal
    - central H34.1-
    - partial H34.21-
    - branch H34.23-
    - transient H34.0-
  - spinal (see: Occlusion, artery, precerebral, vertebral)
  - total
    - coronary I25.82
    - extremities I70.92
  - vertebral I65.0-
    - with
      - infarction I63.21-
        
        due to
        
        embolism I63.11-
        
        thrombosis I63.01-
- basilar artery (see: Occlusion, artery, basilar)
- bile duct K83.1
- bowel (see: Obstruction, intestine)
- carotid (see: Occlusion, artery, carotid)
- centric M26.59
  - maximum intercuspation discrepancy M26.55
- cerebellar (see: Occlusion, artery, cerebellar)
- cerebral (see: Occlusion, artery, cerebral)
- cerebrovascular
  - with infarction I63.5-
- cervical canal (see: Stricture, cervix)
- cervix (see: Stricture, cervix)
- choanal Q30.0
- choroidal (see: Occlusion, artery, precerebral, specified NEC)
- colon (see: Obstruction, intestine)
- communicating posterior artery (see: Occlusion, artery, precerebral, specified NEC)
- coronary
  - chronic total I25.82
  - healed or old I25.2
  - not resulting in infarction I24.0
  - total I25.82
- cystic duct (see: Obstruction, gallbladder)
- embolic (see: Embolism)
- fallopian tube N97.1
  - congenital Q50.6
- gallbladder
  - congenital Q44.1
- gingiva, traumatic K06.2
- hymen N89.6
  - congenital Q52.3
- hypophyseal (see: Occlusion, artery, precerebral, specified NEC)
- iliac artery I74.5
- intestine (see: Obstruction, intestine)
- lacrimal passages (see: Obstruction, lacrimal)
- lung J98.4
- lymph or lymphatic channel I89.0
- mammary duct N64.89
- mesenteric artery K55.069
- nose J34.89
  - congenital Q30.0
- organ or site, congenital NEC (see: Atresia, by site)
- oviduct N97.1
  - congenital Q50.6
- peripheral arteries
  - due to stricture or stenosis I77.1
  - upper extremity I74.2
- pontine (see: Occlusion, artery, precerebral, specified NEC)
- posterior lingual, of mandibular teeth M26.29
- precerebral artery (see: Occlusion, artery, precerebral)
- punctum lacrimale (see: Obstruction, lacrimal)
- pupil (see: Membrane, pupillary)
- pylorus, adult K31.1
- renal artery N28.0
- retina, retinal
  - artery (see: Occlusion, artery, retinal)
  - vein H34.81-
    - engorgement H34.82-
    - tributary H34.83-
  - vessels H34.9
- spinal artery (see: Occlusion, artery, precerebral, vertebral)
- teeth M26.29
- thoracic duct I89.0
- thrombotic (see: Thrombosis, artery)
- traumatic
  - edentulous K06.2
  - gingiva K06.2
  - periodontal K05.5
- tubal N97.1
- ureter N13.5
  - congenital Q62.10
- ureteropelvic junction N13.5
  - congenital Q62.11
- ureterovesical orifice N13.5
  - congenital Q62.12
- urethra (see: Stricture, urethra)
- uterus N85.8
- vagina N89.5
- vascular NEC I99.8
- vein (see: Thrombosis)
  - retinal (see: Occlusion, retinal, vein)
- vena cava (see: Embolism, vena cava)
- ventricle G91.1
- vertebral (see: Occlusion, artery, vertebral)
- vessel I99.8
- vulva N90.5
Occult
- blood in feces R19.5
Occupational
- problems NEC Z56.89
Ochlophobia (see: Agoraphobia)
Ochronosis E70.29
Ocular muscle (see: condition)
Oculogyric crisis or disturbance H51.8
- psychogenic F45.8
Oculomotor syndrome H51.9
Oculopathy
- syphilitic NEC A52.71
  - congenital
    - early A50.01
    - late A50.30
  - early A51.43
  - late A52.71
Oddi's sphincter spasm K83.4
Odontalgia K08.89
Odontoameloblastoma (see: Cyst, calcifying odontogenic)
Odontoclasia K03.89
Odontodysplasia, regional K00.4
Odontogenesis imperfecta K00.5
Odontoma (see: Cyst, calcifying odontogenic)
Odontomyelitis K04.01
- irreversible K04.02
- reversible K04.01
Odontorrhagia K08.89
Odontosarcoma, ameloblastic C41.1
- upper jaw C41.0
Oestriasis (see: Myiasis)
Oguchi's disease H53.63
Ohara's disease (see: Tularemia)
OHS E66.2
Oidiomycosis (see: Candidiasis)
Oidium albicans infection (see: Candidiasis)
Old age R54
- dementia F03
Old I25.2
Olfactory (see: condition)
Oligemia (see: Anemia)
Oligoastrocytoma
- specified site (see: Neoplasm, malignant, by site)
- unspecified site C71.9
Oligocythemia D64.9
Oligodendroblastoma
- specified site (see: Neoplasm, malignant)
- unspecified site C71.9
Oligodendroglioma
- anaplastic type
  - specified site (see: Neoplasm, malignant, by site)
  - unspecified site C71.9
- specified site (see: Neoplasm, malignant, by site)
- unspecified site C71.9
Oligodontia (see: Anodontia)
Oligoencephalon Q02
Oligohidrosis L74.4
Oligohydramnios O41.0-
Oligohydrosis L74.4
Oligomenorrhea N91.5
- primary N91.3
- secondary N91.4
Oligophrenia
- phenylpyruvic E70.0
Oligospermia N46.11
- due to
  - drug therapy N46.121
  - efferent duct obstruction N46.123
  - infection N46.122
  - radiation N46.124
  - specified cause NEC N46.129
  - systemic disease N46.125
Oligotrichia (see: Alopecia)
Oliguria R34
- with, complicating or following ectopic or molar pregnancy O08.4
- postprocedural N99.0
- puerperal O90.49
Ollier's disease Q78.4
Omentitis (see: Peritonitis)
Omentocele (see: Hernia, abdomen, specified site NEC)
Omentum, omental (see: condition)
Omphalitis P38.9
- with mild hemorrhage P38.1
- without hemorrhage P38.9
- not of newborn L08.82
- tetanus A33
Omphalocele Q79.2
Omphalomesenteric duct, persistent Q43.0
Omphalorrhagia, newborn P51.9
Omsk hemorrhagic fever A98.1
Onanism F98.8
Onchocerciasis, onchocercosis B73.1
- with
  - eye disease B73.00
    - endophthalmitis B73.01
    - eyelid B73.09
    - glaucoma B73.02
    - specified NEC B73.09
- eye NEC B73.00
- eyelid B73.09
Oncocytoma (see: Neoplasm, benign, by site)
Oncovirus, as cause of disease classified elsewhere B97.32
Ondine's curse (see: Apnea, sleep)
Oneirophrenia F23
Onychauxis L60.2
- congenital Q84.5
Onychia
- with lymphangitis (see: Lymphangitis, acute, digit)
- candidal B37.2
- dermatophytic B35.1
Onychitis
- with lymphangitis (see: Lymphangitis, acute, digit)
Onychocryptosis L60.0
Onychodystrophy L60.3
- congenital Q84.6
Onychogryphosis, onychogryposis L60.2
Onycholysis L60.1
Onychomadesis L60.8
Onychomalacia L60.3
Onychomycosis B35.1
Onycho-osteodysplasia Q87.2
Onychophagia F98.8
Onychophosis L60.8
Onychoptosis L60.8
Onychorrhexis L60.3
- congenital Q84.6
Onychoschizia L60.3
Onyxis L60.0
Onyxitis
- with lymphangitis (see: Lymphangitis, acute, digit)
Oophoritis N70.92
- with salpingitis N70.93
- acute N70.02
  - with salpingitis N70.03
- chronic N70.12
  - with salpingitis N70.13
- complicating abortion (see: Abortion, by type, complicated by, oophoritis)
Oophorocele N83.4-
Opacity, opacities
- cornea H17.-
  - central H17.1-
  - congenital Q13.3
  - degenerative (see: Degeneration, cornea)
  - hereditary (see: Dystrophy, cornea)
  - inflammatory (see: Keratitis)
  - minor H17.81-
  - peripheral H17.82-
  - sequelae of trachoma B94.0
  - specified NEC H17.89
- enamel K00.3
- lens (see: Cataract)
- snowball (see: Deposit, crystalline)
- vitreous H43.39-
  - congenital Q14.0
  - membranes and strands H43.31-
Opalescent dentin K00.5
Open, opening
- abnormal, organ or site, congenital (see: Imperfect, closure)
- angle with
  - borderline
    - findings
      - high risk H40.02-
      - low risk H40.01-
    - intraocular pressure H40.00-
  - cupping of discs H40.01-
  - glaucoma (see: Glaucoma, open angle)
- bite
  - anterior M26.220
  - posterior M26.221
- false (see: Imperfect, closure)
- margin on tooth restoration K08.51
- restoration margins of tooth K08.51
- wound (see: Wound, open)
Operational fatigue F48.8
Operative (see: condition)
Operculitis (see: Periodontitis)
Operculum (see: Break, retina)
Ophiasis L63.2
Ophthalmia H10.9
- actinic rays (see: Photokeratitis)
- allergic (see: Conjunctivitis, acute, atopic)
- blennorrhagic A54.31
- diphtheritic A36.86
- Egyptian A71.1
- electrica (see: Photokeratitis)
- gonococcal A54.31
- metastatic (see: Endophthalmitis, purulent)
- migraine (see: Migraine, ophthalmoplegic)
- neonatorum, newborn P39.1
  - gonococcal A54.31
- nodosa H16.24-
- purulent (see: Conjunctivitis, acute, mucopurulent)
- spring (see: Conjunctivitis, acute, atopic)
- sympathetic (see: Uveitis, sympathetic)
Ophthalmitis (see: Ophthalmia)
Ophthalmocele Q15.8
Ophthalmoneuromyelitis G36.0
Ophthalmoplegia
- anterior internuclear (see: Ophthalmoplegia, internuclear)
- ataxia-areflexia G61.0
- diabetic (see: E08-E13 with .39)
- exophthalmic E05.00
  - with thyroid storm E05.01
- external H49.88-
  - progressive H49.4-
    - with pigmentary retinopathy (see: Kearns-Sayre syndrome)
  - total H49.3-
- internal H52.51-
- internuclear H51.2-
- migraine (see: Migraine, ophthalmoplegic)
- Parinaud's H49.88-
- progressive external (see: Ophthalmoplegia, external, progressive)
- supranuclear, progressive G23.1
- total (see: Ophthalmoplegia, external, total)
Opioid
- abuse (see: Abuse, drug, opioids)
- dependence (see: Dependence, drug, opioids)
- induced, without use disorder
  - anxiety disorder F11.988
  - delirium F11.921
  - depressive disorder F11.94
  - sexual dysfunction F11.981
  - sleep disorder F11.982
Opisthognathism M26.09
Opisthorchiasis B66.0
Opitz' disease D73.2
Opiumism (see: Dependence, drug, opioid)
Oppenheim's disease G70.2
Oppenheim-Urbach disease (see: E08-E13 with .620)
Optic nerve (see: condition)
Orbit (see: condition)
Orchioblastoma C62.9-
Orchitis N45.2
- blennorrhagic A54.23
- chlamydial A56.19
- filarial B74.9
- gonococcal A54.23
- mumps B26.0
- syphilitic A52.76
- tuberculous A18.15
Orf B08.02
Organic
- brain syndrome F09
- heart (see: Disease, heart)
- mental disorder F09
- psychosis F09
Orgasm
- anejaculatory N53.13
Oriental
- bilharziasis B65.2
- schistosomiasis B65.2
Orifice (see: condition)
Origin of both great vessels from right ventricle Q20.1
Ormond's disease N13.5
- with infection N13.6
Ornithine metabolism disorder E72.4
Ornithinemia E72.4
Ornithosis A70
Orotaciduria, oroticaciduria E79.89
- anemia D53.0
Orthodontics
- adjustment Z46.4
- fitting Z46.4
Orthopnea R06.01
Orthopoxvirus B08.09
Os, uterus (see: condition)
Osgood-Schlatter disease or osteochondrosis M92.52-
Osler I78.0
Osler's nodes I33.0
Osmidrosis L75.0
Osseous (see: condition)
Ossification
- artery (see: Arteriosclerosis)
- auricle (see: Disorder, pinna, specified type NEC)
- bronchial J98.09
- cardiac (see: Degeneration, myocardial)
- cartilage (see: Disorder, cartilage, specified type NEC)
- coronary (see: Disease, heart, ischemic, atherosclerotic)
- diaphragm J98.6
- ear, middle (see: Otosclerosis)
- falx cerebri G96.198
- fontanel, premature Q75.009
- heart
  - valve (see: Endocarditis)
- larynx J38.7
- ligament (see: Disorder, tendon, specified type NEC)
  - posterior longitudinal (see: Spondylopathy, specified NEC)
- meninges G96.198
- multiple, eccentric centers (see: Disorder, bone, development or growth)
- muscle
  - due to burns (see: Myositis, ossificans, in, burns)
  - paralytic (see: Myositis, ossificans, in, quadriplegia)
  - progressive (see: Myositis, ossificans, progressiva)
  - specified NEC M61.50
    - ankle M61.57-
    - foot M61.57-
    - forearm M61.53-
    - hand M61.54-
    - lower leg M61.56-
    - multiple sites M61.59
    - pelvic region M61.55-
    - shoulder region M61.51-
    - specified site NEC M61.58
    - thigh M61.55-
    - upper arm M61.52-
  - traumatic (see: Myositis, ossificans, traumatica)
- myocardium, myocardial (see: Degeneration, myocardial)
- penis N48.89
- periarticular (see: Disorder, joint, specified type NEC)
- pinna (see: Disorder, pinna, specified type NEC)
- rider's bone (see: Ossification, muscle, specified NEC)
- sclera H15.89
- subperiosteal, post-traumatic M89.8X-
- tendon (see: Disorder, tendon, specified type NEC)
- trachea J39.8
- tympanic membrane (see: Disorder, tympanic membrane, specified NEC)
- vitreous (see: Deposit, crystalline)
Osteitis
- alveolar M27.3
- condensans M85.30
  - ankle M85.37-
  - foot M85.37-
  - forearm M85.33-
  - hand M85.34-
  - lower leg M85.36-
  - multiple site M85.39
  - neck M85.38
  - rib M85.38
  - shoulder M85.31-
  - skull M85.38
  - specified site NEC M85.38
  - thigh M85.35-
  - toe M85.37-
  - upper arm M85.32-
  - vertebra M85.38
- deformans M88.9
  - in
    - malignant neoplasm of bone C41.9
    - neoplastic disease D49.9
      - carpus D49.2
      - clavicle D49.2
      - femur D49.2
      - fibula D49.2
      - finger D49.2
      - humerus D49.2
      - ilium D49.2
      - ischium D49.2
      - metacarpus D49.2
      - metatarsus D49.2
      - multiple sites D49.89
      - neck D49.2
      - pubic ramus D49.2
      - radius D49.2
      - rib D49.2
      - scapula D49.2
      - skull D49.2
      - tarsus D49.2
      - tibia D49.2
      - toe D49.2
      - ulna D49.2
      - vertebra D49.2
  - skull M88.0
  - specified NEC (see: Paget's disease, bone, by site)
  - vertebra M88.1
- due to yaws A66.6
- fibrosa NEC (see: Cyst, bone, by site)
  - circumscripta (see: Dysplasia, fibrous, bone NEC)
  - cystica E21.0
  - disseminata Q78.1
  - osteoplastica E21.0
- fragilitans Q78.0
- Garr's (see: Osteomyelitis, specified type NEC)
- jaw M27.2
- parathyroid E21.0
- petrous bone (see: Petrositis)
- sclerotic, nonsuppurative (see: Osteomyelitis, specified type NEC)
- tuberculosa A18.09
  - cystica D86.89
  - multiplex cystoides D86.89
Osteoarthritis M19.90
- ankle M19.07-
  - post-traumatic M19.17-
  - primary M19.07-
  - secondary M19.27-
- elbow M19.02-
  - post-traumatic M19.12-
  - primary M19.02-
  - secondary M19.22-
- foot joint M19.07-
  - post-traumatic M19.17-
  - primary M19.07-
  - secondary M19.27-
- generalized M15.9
  - erosive M15.4
  - primary M15.0
  - specified NEC M15.8
- hand joint M19.04-
  - first carpometacarpal joint M18.9
    - post-traumatic (see: Osteoarthritis, post-traumatic NEC, hand joint, first carpometacarpal joint)
    - primary (see: Osteoarthritis, primary, hand joint, first carpometacarpal joint)
    - secondary (see: Osteoarthritis, secondary, hand joint, first carpometacarpal joint)
  - post-traumatic M19.14-
  - primary M19.04-
  - secondary M19.24-
- hip M16.9
  - bilateral M16.0
    - due to hip dysplasia M16.2
    - post-traumatic M16.4
    - secondary M16.6
  - due to hip dysplasia M16.3-
    - bilateral M16.2
  - post-traumatic (see: Osteoarthritis, post-traumatic, hip)
  - primary M16.1-
    - bilateral M16.0
  - secondary (see: Osteoarthritis, secondary, hip)
  - unilateral M16.1-
    - due to hip dysplasia M16.3-
    - post-traumatic M16.5-
    - primary M16.1-
    - secondary NEC M16.7
- interphalangeal
  - distal M15.1
  - proximal M15.2
- knee M17.9
  - bilateral M17.0
    - post-traumatic M17.2
    - secondary M17.4
  - post-traumatic (see: Osteoarthritis, post-traumatic, knee)
  - primary M17.1-
    - bilateral M17.0
  - secondary (see: Osteoarthritis, secondary, knee)
  - unilateral M17.1-
    - post-traumatic M17.3-
    - primary M17.1-
    - secondary NEC M17.5
- post-traumatic NEC M19.92
  - ankle M19.17-
  - elbow M19.12-
  - foot joint M19.17-
  - hand joint M19.14-
    - first carpometacarpal joint M18.3-
      - bilateral M18.2
  - hip M16.5-
    - bilateral M16.4
  - knee M17.3-
    - bilateral M17.2
  - shoulder M19.11-
  - specified site NEC M19.19
  - wrist M19.13-
- primary M19.91
  - ankle M19.07-
  - elbow M19.02-
  - foot joint M19.07-
  - hand joint M19.04-
    - first carpometacarpal joint M18.1-
      - bilateral M18.0
  - hip M16.1-
    - bilateral M16.0
  - knee M17.1-
    - bilateral M17.0
  - multiple sites M15.9
  - shoulder M19.01-
  - specified site NEC M19.09
  - spine (see: Spondylosis)
  - wrist M19.03-
- secondary M19.93
  - ankle M19.27-
  - elbow M19.22-
  - foot joint M19.27-
  - hand joint M19.24-
    - first carpometacarpal joint M18.5-
      - bilateral M18.4
  - hip M16.7-
    - bilateral M16.6
  - knee M17.5-
    - bilateral M17.4
  - multiple M15.3
  - shoulder M19.21-
  - specified site NEC M19.29
  - spine (see: Spondylosis)
  - wrist M19.23-
- shoulder M19.01-
  - post-traumatic M19.11-
  - primary M19.01-
  - secondary M19.21-
- specified site NEC M19.09
- spine (see: Spondylosis)
- wrist M19.03-
  - first carpometacarpal joint (see: Osteoarthritis, hand joint, first carpometacarpal joint)
  - post-traumatic M19.13-
  - primary M19.03-
  - secondary M19.23-
Osteoarthropathy M19.90
- ankle (see: Osteoarthritis, primary, ankle)
- elbow (see: Osteoarthritis, primary, elbow)
- foot joint (see: Osteoarthritis, primary, foot)
- hand joint (see: Osteoarthritis, primary, hand joint)
- knee joint (see: Osteoarthritis, primary, knee)
- multiple site (see: Osteoarthritis, primary, multiple joint)
- pulmonary
  - hypertrophic (see: Osteoarthropathy, hypertrophic, specified type NEC)
- secondary hypertrophic (see: Osteoarthropathy, specified type NEC)
- shoulder (see: Osteoarthritis, primary, shoulder)
- specified joint NEC (see: Osteoarthritis, primary, specified joint NEC)
- specified type NEC M89.40
  - carpus M89.44-
  - clavicle M89.41-
  - femur M89.45-
  - fibula M89.46-
  - finger M89.44-
  - humerus M89.42-
  - ilium M89.48
  - ischium M89.48
  - metacarpus M89.44-
  - metatarsus M89.47-
  - multiple sites M89.49
  - neck M89.48
  - pubic ramus M89.48
  - radius M89.43-
  - rib M89.48
  - scapula M89.41-
  - skull M89.48
  - tarsus M89.47-
  - tibia M89.46-
  - toe M89.47-
  - ulna M89.43-
  - vertebra M89.48
- secondary (see: Osteoarthropathy, specified type NEC)
- spine (see: Spondylosis)
- wrist (see: Osteoarthritis, primary, wrist)
Osteoarthrosis
- deformans alkaptonurica E70.29
- erosive M15.4
- generalized M15.9
  - primary M15.0
- polyarticular M15.9
- spine (see: Spondylosis)
Osteoblastoma (see: Neoplasm, bone, benign)
- aggressive (see: Neoplasm, bone, uncertain behavior)
Osteochondroarthrosis deformans endemica (see: Disease, Kaschin-Beck)
Osteochondritis
- Brailsford's (see: Osteochondrosis, juvenile, radius)
- dissecans M93.20
  - ankle M93.27-
  - elbow M93.22-
  - foot M93.27-
  - hand M93.24-
  - hip M93.25-
  - knee M93.26-
  - multiple sites M93.29
  - shoulder joint M93.21-
  - specified site NEC M93.28
  - wrist M93.23-
- juvenile M92.9
  - patellar (see: Osteochondrosis, juvenile, patella)
- syphilitic A50.02
  - ankle A50.02
  - elbow A50.02
  - foot A50.02
  - forearm A50.02
  - hand A50.02
  - hip A50.02
  - knee A50.02
  - multiple sites A50.02
  - shoulder joint A50.02
  - specified site NEC A50.02
Osteochondrodysplasia Q78.9
- with defects of growth of tubular bones and spine Q77.9
  - specified NEC Q77.8
- specified NEC Q78.8
Osteochondrodystrophy E78.9
Osteochondrolysis (see: Osteochondritis, dissecans)
Osteochondroma (see: Neoplasm, bone, benign)
Osteochondromatosis D16.9
- syndrome Q78.4
Osteochondromyxosarcoma (see: Neoplasm, bone, malignant)
Osteochondropathy M93.90
- ankle M93.97-
- elbow M93.92-
- foot M93.97-
- hand M93.94-
- hip M93.95-
- Kienböck's disease of adults M93.1
- knee M93.96-
- multiple joints M93.99
- osteochondritis dissecans (see: Osteochondritis, dissecans)
- osteochondrosis (see: Osteochondrosis)
- shoulder region M93.91-
- slipped upper femoral epiphysis (see: Slipped, epiphysis, upper femoral)
- specified joint NEC M93.98
- specified type NEC M93.80
  - ankle M93.87-
  - elbow M93.82-
  - foot M93.87-
  - hand M93.84-
  - hip M93.85-
  - knee M93.86-
  - multiple joints M93.89
  - shoulder region M93.81-
  - specified joint NEC M93.88
  - wrist M93.83-
- syphilitic, congenital
  - early A50.02
  - late A50.56
- wrist M93.93-
Osteochondrosarcoma (see: Neoplasm, bone, malignant)
Osteochondrosis
- acetabulum M91.0
- adult (see: Osteochondropathy, specified type NEC, by site)
- astragalus (see: Osteochondrosis, juvenile, tarsus)
- Blount M92.51-
- Buchanan's M91.0
- Burns' (see: Osteochondrosis, juvenile, ulna)
- calcaneus (see: Osteochondrosis, juvenile, tarsus)
- capitular epiphysis (see: Legg-Calvé-Perthes disease)
- carpal (see: Osteochondrosis, juvenile, hand, carpal lunate)
  - adult M93.1
- coxae juvenilis (see: Legg-Calvé-Perthes disease)
- deformans juvenilis, coxae (see: Legg-Calvé-Perthes disease)
- Diaz's (see: Osteochondrosis, juvenile, tarsus)
- dissecans (see: Osteochondritis, dissecans)
- femoral capital epiphysis (see: Legg-Calvé-Perthes disease)
- femur (see: Legg-Calvé-Perthes disease)
- fibula (see: Osteochondrosis, juvenile, fibula)
- foot NEC M92.8
- Freiberg's (see: Osteochondrosis, juvenile, metatarsus)
- Haas' (see: Osteochondrosis, juvenile, humerus)
- Haglund's (see: Osteochondrosis, juvenile, tarsus)
- hip (see: Legg-Calvé-Perthes disease)
- humerus (see: Osteochondrosis, juvenile, humerus)
- ilium, iliac crest M91.0
- ischiopubic synchondrosis M91.0
- Iselin's (see: Osteochondrosis, juvenile, metatarsus)
- juvenile, juvenilis M92.9
  - after congenital dislocation of hip reduction (see: Osteochondrosis, juvenile, hip, specified NEC)
  - arm (see: Osteochondrosis, juvenile, upper limb NEC)
  - capitular epiphysis (see: Legg-Calvé-Perthes disease)
  - clavicle, sternal epiphysis (see: Osteochondrosis, juvenile, upper limb NEC)
  - coxae (see: Legg-Calvé-Perthes disease)
  - deformans M92.9
  - fibula M92.50-
  - foot NEC M92.8
  - hand M92.20-
    - carpal lunate M92.21-
    - metacarpal head M92.22-
    - specified site NEC M92.29-
  - head of femur (see: Legg-Calvé-Perthes disease)
  - hip and pelvis M91.9-
    - coxa plana (see: Coxa, plana)
    - femoral head (see: Legg-Calvé-Perthes disease)
    - pelvis M91.0
    - pseudocoxalgia (see: Pseudocoxalgia)
    - specified NEC M91.8-
  - humerus M92.0-
  - limb
    - lower NEC M92.8
    - upper NEC (see: Osteochondrosis, juvenile, upper limb NEC)
  - medial cuneiform bone (see: Osteochondrosis, juvenile, tarsus)
  - metatarsus M92.7-
  - patella M92.4-
  - radius M92.1-
  - specified
    - site NEC M92.8
    - type NEC M92.8
      - tibia and fibula M92.59-
  - spine M42.00
    - cervical region M42.02
    - cervicothoracic region M42.03
    - lumbar region M42.06
    - lumbosacral region M42.07
    - multiple sites M42.09
    - occipito-atlanto-axial region M42.01
    - sacrococcygeal region M42.08
    - thoracic region M42.04
    - thoracolumbar region M42.05
  - tarsus M92.6-
  - tibia M92.50-
    - proximal M92.51-
    - tubercle M92.52-
  - ulna M92.1-
  - upper limb NEC M92.3-
  - vertebra (see: Osteochondrosis, juvenile, spine)
- Kienböck's (see: Osteochondrosis, juvenile, hand, carpal lunate)
  - adult M93.1
- Köhler's
  - patellar (see: Osteochondrosis, juvenile, patella)
  - tarsal navicular (see: Osteochondrosis, juvenile, tarsus)
- Legg-Perthes (see: Legg-Calvé-Perthes disease)
- limb
  - lower NEC M92.8
    - tibia and fibula M92.59-
  - upper NEC (see: Osteochondrosis, juvenile, upper limb NEC)
- lunate bone
  - adult M93.1
- Mauclaire's (see: Osteochondrosis, juvenile, hand, metacarpal)
- metacarpal (see: Osteochondrosis, juvenile, hand, metacarpal)
- metatarsus (see: Osteochondrosis, juvenile, metatarsus)
- navicular (see: Osteochondrosis, juvenile, tarsus)
- os
  - calcis (see: Osteochondrosis, juvenile, tarsus)
  - tibiale externum (see: Osteochondrosis, juvenile, tarsus)
- Osgood-Schlatter M92.52-
- Panner's (see: Osteochondrosis, juvenile, humerus)
- patellar center (see: Osteochondrosis, juvenile, patella)
- pelvis M91.0
- Pierson's M91.0
- radius (see: Osteochondrosis, juvenile, radius)
- Scheuermann's (see: Osteochondrosis, juvenile, spine)
- Sever's (see: Osteochondrosis, juvenile, tarsus)
- Sinding-Larsen (see: Osteochondrosis, juvenile, patella)
- spine M42.9
  - adult M42.10
    - cervical region M42.12
    - cervicothoracic region M42.13
    - lumbar region M42.16
    - lumbosacral region M42.17
    - multiple sites M42.19
    - occipito-atlanto-axial region M42.11
    - sacrococcygeal region M42.18
    - thoracic region M42.14
    - thoracolumbar region M42.15
  - juvenile (see: Osteochondrosis, juvenile, spine)
- symphysis pubis M91.0
- syphilitic A50.02
- talus (see: Osteochondrosis, juvenile, tarsus)
- tarsus (see: Osteochondrosis, juvenile, tarsus)
- tibia (see: Osteochondrosis, juvenile, tibia)
- tuberculous (see: Tuberculosis, bone)
- ulna (see: Osteochondrosis, juvenile, ulna)
- van Neck's M91.0
- vertebral (see: Osteochondrosis, spine)
Osteoclastoma D48.0
- malignant (see: Neoplasm, bone, malignant)
Osteodynia (see: Disorder, bone, specified type NEC)
Osteodystrophy Q78.9
- azotemic N25.0
- congenital Q78.9
- parathyroid, secondary E21.1
- renal N25.0
Osteofibroma (see: Neoplasm, bone, benign)
Osteofibrosarcoma (see: Neoplasm, bone, malignant)
Osteogenesis imperfecta Q78.0
Osteogenic (see: condition)
Osteolysis M89.50
- carpus M89.54-
- clavicle M89.51-
- femur M89.55-
- fibula M89.56-
- finger M89.54-
- humerus M89.52-
- ilium M89.58
- ischium M89.58
- joint prosthesis (see: Complications, joint prosthesis, mechanical, periprosthetic, osteolysis, by site)
- metacarpus M89.54-
- metatarsus M89.57-
- multiple sites M89.59
- neck M89.58
- periprosthetic (see: Complications, joint prosthesis, mechanical, periprosthetic, osteolysis, by site)
- pubic ramus M89.58
- radius M89.53-
- rib M89.58
- scapula M89.51-
- skull M89.58
- tarsus M89.57-
- tibia M89.56-
- toe M89.57-
- ulna M89.53-
- vertebra M89.58
Osteoma
- osteoid
  - giant (see: Neoplasm, bone, benign)
Osteomalacia M83.9
- adult M83.9
  - drug-induced NEC M83.5
  - due to
    - malabsorption M83.2
    - malnutrition M83.3
  - specified NEC M83.8
- aluminium-induced M83.4
- infantile (see: Rickets)
- juvenile (see: Rickets)
- oncogenic E83.89
- pelvis M83.8
- puerperal M83.0
- senile M83.1
- vitamin-D-resistant in adults E83.31
  - carpus E83.31
  - clavicle E83.31
  - femur E83.31
  - fibula E83.31
  - finger E83.31
  - humerus E83.31
  - ilium E83.31
  - ischium E83.31
  - metacarpus E83.31
  - metatarsus E83.31
  - multiple sites E83.31
  - neck E83.31
  - pubic ramus E83.31
  - radius E83.31
  - rib E83.31
  - scapula E83.31
  - skull E83.31
  - tarsus E83.31
  - tibia E83.31
  - toe E83.31
  - ulna E83.31
  - vertebra E83.31
Osteomyelitis M86.9
- acute M86.10
  - carpus M86.14-
  - clavicle M86.11-
  - femur M86.15-
  - fibula M86.16-
  - finger M86.14-
  - hematogenous M86.00
    - carpus M86.04-
    - clavicle M86.01-
    - femur M86.05-
    - fibula M86.06-
    - finger M86.04-
    - humerus M86.02-
    - ilium M86.08
    - ischium M86.08
    - mandible M27.2
    - metacarpus M86.04-
    - metatarsus M86.07-
    - multiple sites M86.09
    - neck M86.08
    - orbit H05.02-
    - petrous bone (see: Petrositis)
    - radius M86.03-
    - rib M86.08
    - scapula M86.01-
    - skull M86.08
    - tarsus M86.07-
    - tibia M86.06-
    - toe M86.07-
    - ulna M86.03-
    - vertebra (see: Osteomyelitis, vertebra)
  - humerus M86.12-
  - ilium M86.18
  - ischium M86.18
  - mandible M27.2
  - metacarpus M86.14-
  - metatarsus M86.17-
  - multiple sites M86.19
  - neck M86.18
  - orbit H05.02-
  - petrous bone (see: Petrositis)
  - radius M86.13-
  - rib M86.18
  - scapula M86.11-
  - skull M86.18
  - tarsus M86.17-
  - tibia M86.16-
  - toe M86.17-
  - ulna M86.13-
  - vertebra (see: Osteomyelitis, vertebra)
- chronic M86.60
  - with draining sinus M86.40
    - carpus M86.44-
    - clavicle M86.41-
    - femur M86.45-
    - fibula M86.46-
    - finger M86.44-
    - humerus M86.42-
    - ilium M86.48
    - ischium M86.48
    - mandible M27.2
    - metacarpus M86.44-
    - metatarsus M86.47-
    - multiple sites M86.49
    - neck M86.48
    - pubic ramus M86.48
    - orbit H05.02-
    - petrous bone (see: Petrositis)
    - radius M86.43-
    - rib M86.48
    - scapula M86.41-
    - skull M86.48
    - tarsus M86.47-
    - tibia M86.46-
    - toe M86.47-
    - ulna M86.43-
    - vertebra (see: Osteomyelitis, vertebra)
  - carpus M86.64-
  - clavicle M86.61-
  - femur M86.65-
  - fibula M86.66-
  - finger M86.64-
  - hematogenous NEC M86.50
    - carpus M86.54-
    - clavicle M86.51-
    - femur M86.55-
    - fibula M86.56-
    - finger M86.54-
    - humerus M86.52-
    - ilium M86.58
    - ischium M86.58
    - mandible M27.2
    - metacarpus M86.54-
    - metatarsus M86.57-
    - multifocal M86.30
      - carpus M86.34-
      - clavicle M86.31-
      - femur M86.35-
      - fibula M86.36-
      - finger M86.34-
      - humerus M86.32-
      - ilium M86.38
      - ischium M86.38
      - metacarpus M86.34-
      - metatarsus M86.37-
      - multiple sites M86.39
      - neck M86.38
      - pubic ramus M86.38
      - radius M86.33-
      - rib M86.38
      - scapula M86.31-
      - skull M86.38
      - tarsus M86.37-
      - tibia M86.36-
      - toe M86.37-
      - ulna M86.33-
      - vertebra (see: Osteomyelitis, vertebra)
    - multiple sites M86.59
    - neck M86.58
    - orbit H05.02-
    - petrous bone (see: Petrositis)
    - pubic ramus M86.58
    - radius M86.53-
    - rib M86.58
    - scapula M86.51-
    - skull M86.58
    - tarsus M86.57-
    - tibia M86.56-
    - toe M86.57-
    - ulna M86.53-
    - vertebra (see: Osteomyelitis, vertebra)
  - humerus M86.62-
  - ilium M86.659
  - ischium M86.659
  - mandible M27.2
  - metacarpus M86.64-
  - metatarsus M86.67-
  - multifocal (see: Osteomyelitis, chronic, hematogenous, multifocal)
  - multiple sites M86.69
  - neck M86.68
  - orbit H05.02-
  - petrous bone (see: Petrositis)
  - radius M86.63-
  - rib M86.68
  - scapula M86.61-
  - skull M86.68
  - tarsus M86.67-
  - tibia M86.66-
  - toe M86.67-
  - ulna M86.63-
  - vertebra (see: Osteomyelitis, vertebra)
- echinococcal B67.2
- Garr's (see: Osteomyelitis, specified type NEC)
- in diabetes mellitus (see: E08-E13 with .69)
- jaw M27.2
- nonsuppurating (see: Osteomyelitis, specified type NEC)
- orbit H05.02-
- petrous bone (see: Petrositis)
- Salmonella A02.24
- sclerosing, nonsuppurative (see: Osteomyelitis, specified type NEC)
- specified type NEC M86.8X-
  - mandible M27.2
  - orbit H05.02-
  - petrous bone (see: Petrositis)
  - vertebra (see: Osteomyelitis, vertebra)
- subacute M86.20
  - carpus M86.24-
  - clavicle M86.21-
  - femur M86.25-
  - fibula M86.26-
  - finger M86.24-
  - humerus M86.22-
  - mandible M27.2
  - metacarpus M86.24-
  - metatarsus M86.27-
  - multiple sites M86.29
  - neck M86.28
  - orbit H05.02-
  - petrous bone (see: Petrositis)
  - radius M86.23-
  - rib M86.28
  - scapula M86.21-
  - skull M86.28
  - tarsus M86.27-
  - tibia M86.26-
  - toe M86.27-
  - ulna M86.23-
  - vertebra (see: Osteomyelitis, vertebra)
- syphilitic A52.77
  - congenital A50.02
- tuberculous (see: Tuberculosis, bone)
- typhoid A01.05
- vertebra M46.20
  - cervical region M46.22
  - cervicothoracic region M46.23
  - lumbar region M46.26
  - lumbosacral region M46.27
  - occipito-atlanto-axial region M46.21
  - sacrococcygeal region M46.28
  - thoracic region M46.24
  - thoracolumbar region M46.25
Osteomyelofibrosis D47.4
Osteomyelosclerosis D75.89
Osteonecrosis M87.9
- due to
  - drugs (see: Osteonecrosis, secondary, due to, drugs)
  - trauma (see: Osteonecrosis, secondary, due to, trauma)
- idiopathic aseptic M87.00
  - ankle M87.07-
  - carpus M87.03-
  - clavicle M87.01-
  - femur M87.05-
  - fibula M87.06-
  - finger M87.04-
  - humerus M87.02-
  - ilium M87.050
  - ischium M87.050
  - metacarpus M87.04-
  - metatarsus M87.07-
  - multiple sites M87.09
  - neck M87.08
  - pelvis M87.050
  - pubic ramus M87.050
  - radius M87.03-
  - rib M87.08
  - scapula M87.01-
  - skull M87.08
  - tarsus M87.07-
  - tibia M87.06-
  - toe M87.07-
  - ulna M87.03-
  - vertebra M87.08
- secondary NEC M87.30
  - carpus M87.33-
  - clavicle M87.31-
  - due to
    - drugs M87.10
      - carpus M87.13-
      - clavicle M87.11-
      - femur M87.15-
      - fibula M87.16-
      - finger M87.14-
      - humerus M87.12-
      - ilium M87.150
      - ischium M87.150
      - jaw M87.180
      - metacarpus M87.14-
      - metatarsus M87.17-
      - multiple sites M87.19
      - neck M87.18
      - pubic ramus M87.150
      - radius M87.13-
      - rib M87.18
      - scapula M87.11-
      - skull M87.18
      - tarsus M87.17-
      - tibia M87.16-
      - toe M87.17-
      - ulna M87.13-
      - vertebra M87.18
    - hemoglobinopathy NEC D58.2
      - carpus D58.2
      - clavicle D58.2
      - femur D58.2
      - fibula D58.2
      - finger D58.2
      - humerus D58.2
      - ilium D58.2
      - ischium D58.2
      - metacarpus D58.2
      - metatarsus D58.2
      - multiple sites D58.2
      - neck D58.2
      - pubic ramus D58.2
      - radius D58.2
      - rib D58.2
      - scapula D58.2
      - skull D58.2
      - specified NEC D58.2
      - tarsus D58.2
      - tibia D58.2
      - toe D58.2
      - ulna D58.2
      - vertebra D58.2
    - trauma M87.20
      - carpus M87.23-
      - clavicle M87.21-
      - femur M87.25-
      - fibula M87.26-
      - finger M87.24-
      - humerus M87.22-
      - ilium M87.250
      - ischium M87.250
      - metacarpus M87.24-
      - metatarsus M87.27-
      - multiple sites M87.29
      - neck M87.28
      - pubic ramus M87.250
      - radius M87.23-
      - rib M87.28
      - scapula M87.21-
      - skull M87.28
      - tarsus M87.27-
      - tibia M87.26-
      - toe M87.27-
      - ulna M87.23-
      - vertebra M87.28
  - femur M87.35-
  - fibula M87.36-
  - finger M87.34-
  - humerus M87.32-
  - ilium M87.350
  - in
    - caisson disease T70.3
      - carpus T70.3
      - clavicle T70.3
      - femur T70.3
      - fibula T70.3
      - finger T70.3
      - humerus T70.3
      - ilium T70.3
      - ischium T70.3
      - metacarpus T70.3
      - metatarsus T70.3
      - multiple sites T70.3
      - neck T70.3
      - pubic ramus T70.3
      - radius T70.3
      - rib T70.3
      - scapula T70.3
      - skull T70.3
      - tarsus T70.3
      - tibia T70.3
      - toe T70.3
      - ulna T70.3
      - vertebra T70.3
  - ischium M87.350
  - metacarpus M87.34-
  - metatarsus M87.37-
  - multiple site M87.39
  - neck M87.38
  - pubic ramus M87.350
  - radius M87.33-
  - rib M87.38
  - scapula M87.319
  - skull M87.38
  - tarsus M87.379
  - tibia M87.366
  - toe M87.379
  - ulna M87.33-
  - vertebra M87.38
- specified type NEC M87.80
  - carpus M87.83-
  - clavicle M87.81-
  - femur M87.85-
  - fibula M87.86-
  - finger M87.84-
  - humerus M87.82-
  - ilium M87.850
  - ischium M87.850
  - metacarpus M87.84-
  - metatarsus M87.87-
  - multiple sites M87.89
  - neck M87.88
  - pubic ramus M87.850
  - radius M87.83-
  - rib M87.88
  - scapula M87.81-
  - skull M87.88
  - tarsus M87.87-
  - tibia M87.86-
  - toe M87.87-
  - ulna M87.83-
  - vertebra M87.88
Osteo-onycho-arthro-dysplasia Q87.2
Osteo-onychodysplasia, hereditary Q87.2
Osteopathia condensans disseminata Q78.8
Osteopathy
- after poliomyelitis M89.60
  - carpus M89.64-
  - clavicle M89.61-
  - femur M89.65-
  - fibula M89.66-
  - finger M89.64-
  - humerus M89.62-
  - ilium M89.68
  - ischium M89.68
  - metacarpus M89.64-
  - metatarsus M89.67-
  - multiple sites M89.69
  - neck M89.68
  - pubic ramus M89.68
  - radius M89.63-
  - rib M89.68
  - scapula M89.61-
  - skull M89.68
  - tarsus M89.67-
  - tibia M89.66-
  - toe M89.67-
  - ulna M89.63-
  - vertebra M89.68
- in
  - renal osteodystrophy N25.0
  - specified diseases classified elsewhere
Osteopenia M85.8-
- borderline M85.8-
Osteoperiostitis (see: Osteomyelitis, specified type NEC)
Osteopetrosis Q78.2
Osteophyte M25.70
- ankle M25.77-
- elbow M25.72-
- foot joint M25.77-
- hand joint M25.74-
- hip M25.75-
- knee M25.76-
- shoulder M25.71-
- spine M25.78
- vertebrae M25.78
- wrist M25.73-
Osteopoikilosis Q78.8
Osteoporosis M81.0
- with current pathological fracture M80.00
- age-related M81.0
  - with current pathologic fracture M80.00
    - carpus M80.04-
    - clavicle M80.01-
    - femur M80.05-
    - fibula M80.06-
    - finger M80.04-
    - hip M80.05-
    - humerus M80.02-
    - ilium M80.0A
    - ischium M80.0A
    - metacarpus M80.04-
    - metatarsus M80.07-
    - pelvis M80.0B-
    - pubis ramus M80.0A
    - radius M80.03-
    - rib M80.0A
    - scapula M80.01-
    - site specified NEC M80.0A
    - specified site NEC M80.0A
    - tarsus M80.07-
    - tibia M80.06-
    - toe M80.07-
    - ulna M80.03-
    - vertebra M80.08
- disuse M81.8
  - with current pathological fracture M80.80
    - carpus M80.84-
    - clavicle M80.81-
    - femur M80.85-
    - fibula M80.86-
    - finger M80.84-
    - hip M80.85-
    - humerus M80.82-
    - ilium M80.8A
    - ischium M80.8A
    - metacarpus M80.84-
    - metatarsus M80.87-
    - pelvis M80.8B-
    - pubis ramus M80.8A
    - radius M80.83-
    - scapula M80.81-
    - site specified NEC M80.8A
    - tarsus M80.87-
    - tibia M80.86-
    - toe M80.87-
    - ulna M80.83-
    - vertebra M80.88
- drug-induced (see: Osteoporosis, specified type NEC)
- idiopathic (see: Osteoporosis, specified type NEC)
- involutional (see: Osteoporosis, age-related)
- Lequesne M81.6
- localized M81.6
- postmenopausal M81.0
  - with pathological fracture M80.00
    - carpus M80.04-
    - clavicle M80.01-
    - femur M80.05-
    - fibula M80.06-
    - finger M80.04-
    - hip M80.05-
    - humerus M80.02-
    - ilium M80.0A
    - ischium M80.0A
    - metacarpus M80.04-
    - metatarsus M80.07-
    - pelvis M80.0B-
    - pubis ramus M80.0A
    - radius M80.03-
    - scapula M80.01-
    - site specified NEC M80.0A
    - tarsus M80.07-
    - tibia M80.06-
    - toe M80.07-
    - ulna M80.03-
    - vertebra M80.08
- postoophorectomy (see: Osteoporosis, specified type NEC)
- postsurgical malabsorption (see: Osteoporosis, specified type NEC)
- post-traumatic (see: Osteoporosis, specified type NEC)
- senile (see: Osteoporosis, age-related)
- specified type NEC M81.8
  - with pathological fracture M80.80
    - carpus M80.84-
    - clavicle M80.81-
    - femur M80.85-
    - fibula M80.86-
    - finger M80.84-
    - hip M80.85-
    - humerus M80.82-
    - ilium M80.8A
    - ischium M80.8A
    - metacarpus M80.84-
    - metatarsus M80.87-
    - pelvis M80.8B-
    - pubis ramus M80.8A
    - radius M80.83-
    - scapula M80.81-
    - site specified NEC M80.8A
    - tarsus M80.87-
    - tibia M80.86-
    - toe M80.87-
    - ulna M80.83-
    - vertebra M80.88
Osteopsathyrosis Q78.0
Osteoradionecrosis, jaw M27.2
Osteosarcoma (see: Neoplasm, bone, malignant)
Osteosclerosis Q78.2
- acquired M85.8-
- congenita Q77.4
- fragilitas Q78.2
- myelofibrosis D75.81
Osteosclerotic anemia D64.89
Osteosis
- cutis L94.2
- renal fibrocystic N25.0
Österreicher-Turner syndrome Q87.2
Ostium
- atrioventriculare commune Q21.23
- primum Q21.20
- secundum Q21.11
Ostrum-Furst syndrome Q75.8
Otalgia
Otitis H66.90
- with effusion
  - purulent (see: Otitis, media, suppurative)
- adhesive
- chronic
  - with effusion
- externa H60.9-
  - abscess (see: Abscess, ear, external)
  - acute H60.50-
    - actinic H60.51-
    - chemical H60.52-
    - contact H60.53-
    - eczematoid H60.54-
    - infective (see: Otitis, externa, infective)
    - reactive H60.55-
    - specified NEC H60.59-
  - cellulitis (see: Cellulitis, ear)
  - chronic H60.6-
  - diffuse (see: Otitis, externa, infective, diffuse)
  - hemorrhagic (see: Otitis, externa, infective, hemorrhagic)
  - in
    - aspergillosis B44.89
    - candidiasis B37.84
    - erysipelas A46
    - herpes B00.1
      - zoster B02.8
    - impetigo L01.00
    - infectious disease NEC B99
    - mycosis NEC B36.9
    - parasitic disease NEC B89
    - viral disease NEC B34.9
    - zoster B02.8
  - infective NEC H60.39-
    - abscess (see: Abscess, ear, external)
    - cellulitis (see: Cellulitis, ear)
    - diffuse H60.31-
    - hemorrhagic H60.32-
    - swimmer's ear (see: Swimmer's, ear)
  - malignant H60.2-
  - mycotic NEC B36.9
    - in
      - aspergillosis B44.89
      - candidiasis B37.84
      - moniliasis B37.84
  - necrotizing (see: Otitis, externa, malignant)
  - Pseudomonas aeruginosa (see: Otitis, externa, malignant)
  - reactive (see: Otitis, externa, acute, reactive)
  - specified NEC
  - tropical NEC B36.9
    - in
      - aspergillosis B44.89
      - candidiasis B37.84
      - moniliasis B37.84
- insidiosa (see: Otosclerosis)
- interna
- media H66.9-
  - with effusion (see: Otitis, media, nonsuppurative)
  - acute, subacute H66.90
    - allergic (see: Otitis, media, nonsuppurative, acute, allergic)
    - exudative (see: Otitis, media, suppurative, acute)
    - mucoid (see: Otitis, media, nonsuppurative, acute)
    - necrotizing
      - in
        
        measles B05.3
        
        scarlet fever A38.0
    - nonsuppurative NEC (see: Otitis, media, nonsuppurative, acute)
    - purulent (see: Otitis, media, suppurative, acute)
    - sanguinous (see: Otitis, media, nonsuppurative, acute)
    - secretory (see: Otitis, media, nonsuppurative, acute, serous)
    - seromucinous (see: Otitis, media, nonsuppurative, acute)
    - serous (see: Otitis, media, nonsuppurative, acute, serous)
    - suppurative (see: Otitis, media, suppurative, acute)
  - allergic (see: Otitis, media, nonsuppurative)
  - catarrhal (see: Otitis, media, nonsuppurative)
  - chronic H66.90
    - with effusion (see: Otitis, media, nonsuppurative, chronic)
    - allergic (see: Otitis, media, nonsuppurative, chronic, allergic)
    - benign suppurative (see: Otitis, media, suppurative, chronic, tubotympanic)
    - catarrhal (see: Otitis, media, nonsuppurative, chronic, serous)
    - exudative (see: Otitis, media, nonsuppurative, chronic)
    - mucinous (see: Otitis, media, nonsuppurative, chronic, mucoid)
    - mucoid (see: Otitis, media, nonsuppurative, chronic, mucoid)
    - nonsuppurative NEC (see: Otitis, media, nonsuppurative, chronic)
    - purulent (see: Otitis, media, suppurative, chronic)
    - secretory (see: Otitis, media, nonsuppurative, chronic, mucoid)
    - seromucinous (see: Otitis, media, nonsuppurative, chronic)
    - serous (see: Otitis, media, nonsuppurative, chronic, serous)
    - suppurative (see: Otitis, media, suppurative, chronic)
    - transudative (see: Otitis, media, nonsuppurative, chronic, mucoid)
  - exudative (see: Otitis, media, suppurative)
  - in
    - influenza (see: Influenza, with, otitis media)
    - measles B05.3
    - scarlet fever A38.0
    - tuberculosis A18.6
    - viral disease NEC B34.-
  - mucoid (see: Otitis, media, nonsuppurative)
  - nonsuppurative H65.9-
    - acute or subacute NEC H65.19-
      - allergic H65.11-
        
        recurrent H65.11-
      - recurrent H65.19-
      - secretory (see: Otitis, media, nonsuppurative, serous)
      - serous H65.0-
        
        recurrent H65.0-
    - chronic H65.49-
      - allergic H65.41-
      - mucoid H65.3-
      - serous H65.2-
  - postmeasles B05.3
  - purulent (see: Otitis, media, suppurative)
  - secretory (see: Otitis, media, nonsuppurative)
  - seromucinous (see: Otitis, media, nonsuppurative)
  - serous (see: Otitis, media, nonsuppurative)
  - suppurative H66.4-
    - acute H66.00-
      - with rupture of ear drum H66.01-
      - recurrent H66.00-
        
        with rupture of ear drum H66.01-
    - chronic H66.3
      - atticoantral H66.2-
      - benign (see: Otitis, media, suppurative, chronic, tubotympanic)
      - tubotympanic H66.1-
  - transudative (see: Otitis, media, nonsuppurative)
  - tuberculous A18.6
Otocephaly Q18.2
Otolith syndrome
Otomycosis B36.9
- in
  - aspergillosis B44.89
  - candidiasis B37.84
  - moniliasis B37.84
Otoporosis (see: Otosclerosis)
Otorrhagia H92.2-
- traumatic - code by Type of injury
Otorrhea H92.1-
- cerebrospinal G96.01
  - postoperative G96.08
  - specified NEC G96.08
  - spontaneous G96.01
  - traumatic G96.08
Otosclerosis H80.9-
- cochlear H80.2-
- involving
  - otic capsule (see: Otosclerosis, cochlear)
  - oval window
    - nonobliterative H80.0-
    - obliterative H80.1-
  - round window (see: Otosclerosis, cochlear)
- nonobliterative (see: Otosclerosis, involving, oval window, nonobliterative)
- obliterative (see: Otosclerosis, involving, oval window, obliterative)
- specified NEC H80.8-
Otospongiosis (see: Otosclerosis)
Otto's disease or pelvis M24.7
Outcome of delivery Z37.9
- multiple births Z37.9
  - all liveborn Z37.50
    - quadruplets Z37.52
    - quintuplets Z37.53
    - sextuplets Z37.54
    - specified number NEC Z37.59
    - triplets Z37.51
  - all stillborn Z37.7
  - some liveborn Z37.60
    - quadruplets Z37.62
    - quintuplets Z37.63
    - sextuplets Z37.64
    - specified number NEC Z37.69
    - triplets Z37.61
- single NEC Z37.9
  - liveborn Z37.0
  - stillborn Z37.1
- twins NEC Z37.9
  - both liveborn Z37.2
  - both stillborn Z37.4
  - one liveborn, one stillborn Z37.3
Outlet (see: condition)
Ovalocytosis (see: Elliptocytosis)
Ovarian (see: Condition)
Ovariocele N83.4-
Ovaritis (see: Oophoritis)
Ovary, ovarian
- resistant syndrome E28.39
- vein syndrome N13.8
Overactive
- adrenal cortex NEC E27.0
- bladder N32.81
- hypothalamus E23.3
- thyroid (see: Hyperthyroidism)
Overactivity R46.3
- child (see: Disorder, attention-deficit hyperactivity)
Overbite M26.29
Overbreathing (see: Hyperventilation)
Overconscientious personality F60.5
Overdevelopment (see: Hypertrophy)
Overdistension (see: Distension)
Overdose, overdosage (see: Table of Drugs and Chemicals, by drug, poisoning)
Overeating R63.2
- nonorganic origin F50.89
- psychogenic F50.89
Overexertion T73.3
Overexposure T73.9
- exhaustion T73.2
Overfeeding (see: Overeating)
- newborn P92.4
Overfill, endodontic M27.52
Overgrowth
- bacterial
  - small intestinal K63.8219
    - fungal K63.822
    - hydrogen-subtype K63.8211
    - hydrogen sulfide-subtype K63.8212
- bone (see: Hypertrophy, bone)
- intestinal methanogen K63.829
Overhanging of dental restorative material K08.52
Overheated (see: Heat)
Overjet M26.23
Overlaid, overlying (see: Asphyxia, traumatic, due to mechanical threat)
Overlap, excessive horizontal M26.23
Overlapping toe
- congenital Q66.89
Overload
- circulatory, due to transfusion E87.71
- fluid E87.70
  - due to transfusion E87.71
  - specified NEC E87.79
- iron, due to repeated red blood cell transfusions E83.111
- potassium E87.5
- sodium E87.0
Overnutrition (see: Hyperalimentation)
Overproduction
- ACTH E27.0
- catecholamine E27.5
- growth hormone E22.0
Overprotection, child by parent Z62.1
Overriding
- aorta Q25.49
- finger (see: Deformity, finger)
  - congenital Q68.1
- toe
  - congenital Q66.89
Overstrained R53.83
- heart (see: Hypertrophy, cardiac)
Overuse, muscle NEC M70.8-
Overweight E66.3
Overworked R53.83
Oviduct (see: condition)
Ovotestis Q56.0
Ovulation
- failure or lack of N97.0
- pain N94.0
Ovum (see: condition)
Owren's disease or syndrome D68.2
Ox heart (see: Hypertrophy, cardiac)
Oxalosis E72.53
Oxaluria E72.53
Oxycephaly, oxycephalic Q75.009
- syphilitic, congenital A50.02
Oxyuriasis B80
Oxyuris vermicularis B80
Ozena J31.0