ICD-9-CM Index to Diseases: O

• Oasthouse urine disease 270.2
• Obermeyer's relapsing fever (European) 087.0
• Obesity (constitutional) (exogenous) (familial) (nutritional) (simple) 278.00
  • adrenal 255.8
  • due to hyperalimentation 278.00
  • endocrine NEC 259.9
  • endogenous 259.9
  • Frohlich's (adiposogenital dystrophy) 253.8
  • glandular NEC 259.9
  • hypothyroid (see also Hypothyroidism) 244.9
  • morbid 278.01
  • of pregnancy 646.1
  • pituitary 253.8
  • thyroid (see also Hypothyroidism) 244.9
• Oblique=see also condition
  • lie before labor, affecting fetus or newborn 761.7
• Obliquity, pelvis 738.6
• Obliteration
  • abdominal aorta 446.7
  • appendix (lumen) 543.9
  • artery 447.1
  • ascending aorta 446.7
  • bile ducts 576.8
  • with calculus, choledocholithiasis, or stones=see Choledocholithiasis
  • congenital 751.61
    • jaundice from 751.61 [774.5]
  • common duct 576.8
  • with calculus, choledocholithiasis, or stones=see Choledocholithiasis
  • congenital 751.61
  • cystic duct 575.8
  • with calculus, choledocholithiasis, or stones=see Choledocholithiasis
  • disease, arteriolar 447.1
  • endometrium 621.8
  • eye, anterior chamber 360.34
  • fallopian tube 628.2
  • lymphatic vessel 457.1
  • postmastectomy 457.0
  • organ or site, congenital NEC=see Atresia
  • placental blood vessels=see Placenta, abnormal
  • supra-aortic branches 446.7
  • ureter 593.89
  • urethra 599.84
  • vein 459.9
  • vestibule (oral) 525.8
• Observation (for) V71.9
  • without need for further medical care V71.9
  • accident NEC V71.4
  • at work V71.3
  • criminal assault V71.6
  • deleterious agent ingestion V71.8
  • disease V71.9
  • cardiovascular V71.7
  • heart V71.7
  • mental V71.09
  • specified condition NEC V71.8
  • foreign body ingestion V71.8
  • growth and development variations V21.8
  • injuries (accidental) V71.4
  • inflicted NEC V71.6
    • during alleged rape or seduction V71.5
  • malignant neoplasm, suspected V71.1
  • postpartum
  • immediately after delivery V24.0
  • routine follow-up V24.2
  • pregnancy
  • high-risk V23.9
    • specified problem NEC V23.8
  • normal (without complication) V22.1
    • with nonobstetric complication V22.2
    • first V22.0
  • rape or seduction, alleged V71.5
  • injury during V71.5
  • suicide attempt, alleged V71.8
  • suspected (undiagnosed) (unproven)
  • cardiovascular disease V71.7
  • child or wife battering victim V71.6
  • concussion (cerebral) V71.6
  • condition NEC V71.8
    • infant=see Observation, suspected, condition, newborn
    • newborn V29.9
    • cardiovascular disease V29.8
    • congenital anomaly V29.8
    • infectious V29.0
    • ingestion foreign object V29.8
    • injury V29.8
    • neoplasm V29.8
    • neurological V29.1
    • poison, poisoning V29.8
    • respiratory V29.2
    • specified NEC V29.8
  • infectious disease not requiring isolation V71.8
  • malignant neoplasm V71.1
  • mental disorder V71.09
  • neoplasm
    • benign V71.8
    • malignant V71.1
  • specified condition NEC V71.8
  • tuberculosis V71.2
  • tuberculosis, suspected V71.2
• Obsession, obsessional 300.3
  • ideas and mental images 300.3
  • impulses 300.3
  • neurosis 300.3
  • phobia 300.3
  • psychasthenia 300.3
  • ruminations 300.3
  • state 300.3
  • syndrome 300.3
• Obsessive-compulsive 300.3
  • neurosis 300.3
  • reaction 300.3
• Obstetrical trauma NEC (complicating delivery) 665.9
  • with
  • abortion=see Abortion, by type, with damage to pelvic organs
  • ectopic pregnancy (see also categories 633.0-633.9) 639.2
  • molar pregnancy (see also categories 630-632) 639.2
  • affecting fetus or newborn 763.8
  • following
  • abortion 639.2
  • ectopic or molar pregnancy 639.2
• Obstipation (see also Constipation) 564.0
  • psychogenic 306.4
• Obstruction, obstructed, obstructive
  • airway NEC 519.8
  • with
    • allergic alveolitis NEC 495.9
    • asthma NEC (see also Asthma) 493.9
    • bronchiectasis 494
    • bronchitis (see also Bronchitis, with, obstruction) 491.20
    • emphysema NEC 492.8
  • chronic 496
    • with
    • allergic alveolitis NEC 495.5
    • asthma NEC (see also Asthma) 493.9
    • bronchiectasis 494
    • bronchitis (chronic) (see also Bronchitis, chronic, obstructive) 491.20
    • emphysema NEC 492.8
  • due to
    • bronchospasm 519.1
    • foreign body 934.9
    • inhalation of fumes or vapors 506.9
    • laryngospasm 478.75
  • alimentary canal (see also Obstruction, intestine) 560.9
  • ampulla of Vater 576.2
  • with calculus, cholelithiasis, or stones=see Choledocholithiasis
  • aortic (heart) (valve) (see also Stenosis, aortic) 424.1
  • rheumatic (see also Stenosis, aortic, rheumatic) 395.0
  • aortoiliac 444.0
  • aqueduct of Sylvius 331.4
  • congenital 742.3
    • with spina bifida (see also Spina bifida) 741.0
  • Arnold-Chiari (see also Spina bifida) 741.0
  • artery (see also Embolism, artery) 444.9
  • basilar (complete) (partial) (see also Occlusion, artery, basilar) 433.0
  • carotid (complete) (partial) (see also Occlusion, artery, carotid) 433.1
  • precerebral=see Occlusion, artery, precerebral NEC
  • retinal (central) (see also Occlusion, retina) 362.30
  • vertebral (complete) (partial) (see also Occlusion, artery, vertebral) 433.2
  • asthma (chronic) (with obstructive pulmonary disease) 493.2
  • band (intestinal) 560.81
  • bile duct or passage (see also Obstruction, biliary) 576.2
  • congenital 751.61
    • jaundice from 751.61 [774.5]
  • biliary (duct) (tract) 576.2
  • with calculus 574.51
    • with cholecystitis (chronic) 574.41
    • acute 574.31
  • congenital 751.61
    • jaundice from 751.61 [774.5]
  • gallbladder 575.2
    • with calculus 574.21
    • with cholecystitis (chronic) 574.11
      • acute 574.01
  • bladder neck (acquired) 596.0
  • congenital 753.6
  • bowel (see also Obstruction, intestine) 560.9
  • bronchus 519.1
  • canal, ear (see also Stricture, ear canal, acquired) 380.50
  • cardia 537.89
  • caval veins (inferior) (superior) 459.2
  • cecum (see also Obstruction, intestine) 560.9
  • circulatory 459.9
  • colon (see also Obstruction, intestine) 560.9
  • sympathicotonic 560.89
  • common duct (see also Obstruction, biliary) 576.2
  • congenital 751.61
  • coronary=see Arteriosclerosis, coronary
  • cystic duct (see also Obstruction, gallbladder) 575.2
  • congenital 751.61
  • device, implant, or graft=see Complications, due to (presence of) any device, implant, or graft classified to 996.0-996.5 NEC
  • due to foreign body accidentally left in operation wound 998.4
  • duodenum 537.3
  • congenital 751.1
  • due to
    • compression NEC 537.3
    • cyst 537.3
    • intrinsic lesion or disease NEC 537.3
    • scarring 537.3
    • torsion 537.3
    • ulcer 532.91
    • volvulus 537.3
  • ejaculatory duct 608.89
  • endocardium 424.90
  • arteriosclerotic 424.99
  • specified cause, except rheumatic 424.99
  • esophagus 530.3
  • Eustachian tube (complete) (partial) 381.60
  • cartilaginous
    • extrinsic 381.63
    • intrinsic 381.62
  • due to
    • cholesteatoma 381.61
    • osseous lesion NEC 381.61
    • polyp 381.61
  • osseous 381.61
  • fallopian tube (bilateral) 628.2
  • fecal 560.39
  • with hernia=see also Hernia, by site, with obstruction
    • gangrenous=see Hernia, by site, with gangrene
  • foramen of Monro (congenital) 742.3
  • with spina bifida (see also Spina bifida) 741.0
  • foreign body=see Foreign body
  • gallbladder 575.2
  • with calculus, cholelithiasis, or stones 574.21
    • with cholecystitis (chronic) 574.11
    • acute 574.01
  • congenital 751.69
    • jaundice from 751.69 [774.5]
  • gastric outlet 537.0
  • gastrointestinal (see also Obstruction, intestine) 560.9
  • glottis 478.79
  • hepatic 573.8
  • duct (see also Obstruction, biliary) 576.2
    • congenital 751.61
  • icterus (see also Obstruction, biliary) 576.8
  • congenital 751.61
  • ileocecal coil (see also Obstruction, intestine) 560.9
  • ileum (see also Obstruction, intestine) 560.9
  • iliofemoral (artery) 444.81
  • internal anastomosis=see Complications, mechanical, graft
  • intestine (mechanical) (neurogenic) (paroxysmal) (postinfectional) (reflex) 560.9
  • with
    • adhesions (intestinal) (peritoneal) 560.81
    • hernia=see also Hernia, by site, with obstruction
    • gangrenous=see Hernia, by site, with gangrene
  • adynamic (see also Ileus) 560.1
  • by gallstone 560.31
  • congenital or infantile (small) 751.1
    • large 751.2
  • due to
    • Ascaris lumbricoides 127.0
    • mural thickening 560.89
    • procedure 997.4
    • involving urinary tract 997.5
  • impaction 560.39
  • infantile=see Obstruction, intestine, congenital
  • newborn
    • due to
    • fecaliths 777.1
    • inspissated milk 777.2
    • meconium (plug) 777.1
      • in mucoviscidosis 277.01
    • transitory 777.4
  • specified cause NEC 560.89
  • transitory, newborn 777.4
  • volvulus 560.2
  • intracardiac ball valve prosthesis 996.02
  • jaundice (see also Obstruction, biliary) 576.8
  • congenital 751.61
  • jejunum (see also Obstruction, intestine) 560.9
  • kidney 593.89
  • labor 660.9
  • affecting fetus or newborn 763.1
  • by
    • bony pelvis (conditions classifiable to 653.0-653.9) 660.1
    • deep transverse arrest 660.3
    • impacted shoulder 660.4
    • locked twins 660.5
    • malposition (fetus) (conditions classifiable to 652.0-652.9) 660.0
    • head during labor 660.3
    • persistent occipitoposterior position 660.3
    • soft tissue, pelvic (conditions classifiable to 654.0-654.9) 660.2
  • lacrimal
  • canaliculi 375.53
  • congenital 743.65
  • punctum 375.52
  • sac 375.54
  • lacrimonasal duct 375.56
  • congenital 743.65
  • neonatal 375.55
  • lacteal, with steatorrhea 579.2
  • laryngitis (see also Laryngitis) 464.0
  • larynx 478.79
  • congenital 748.3
  • liver 573.8
  • cirrhotic (see also Cirrhosis, liver) 571.5
  • lung 518.89
  • with
    • asthma=see Asthma
    • bronchitis (chronic) 491.2
    • emphysema NEC 492.8
  • airway, chronic 496
  • chronic NEC 496
    • with
    • asthma (chronic) (obstructive) 493.2
  • disease, chronic 496
    • with
    • asthma (chronic) (obstructive) 493.2
  • emphysematous 492.8
  • lymphatic 457.1
  • meconium
  • fetus or newborn 777.1
    • in mucoviscidosis 277.01
  • newborn due to fecaliths 777.1
  • mediastinum 519.3
  • mitral (rheumatic)=see Stenosis, mitral
  • nasal 478.1
  • duct 375.56
    • neonatal 375.55
  • sinus=see Sinusitis
  • nasolacrimal duct 375.56
  • congenital 743.65
  • neonatal 375.55
  • nasopharynx 478.29
  • nose 478.1
  • organ or site, congenital NEC=see Atresia
  • pancreatic duct 577.8
  • parotid gland 527.8
  • pelviureteral junction (see also Obstruction, ureter) 593.4
  • pharynx 478.29
  • portal (circulation) (vein) 452
  • prostate 600
  • valve (urinary) 596.0
  • pulmonary
  • valve (heart) (see also Endocarditis, pulmonary) 424.3
  • vein, isolated 747.49
  • pyemic=see Septicemia
  • pylorus (acquired) 537.0
  • congenital 750.5
  • infantile 750.5
  • rectosigmoid (see also Obstruction, intestine) 560.9
  • rectum 569.49
  • renal 593.89
  • respiratory 519.8
  • chronic 496
  • retinal (artery) (vein) (central) (see also Occlusion, retina) 362.30
  • salivary duct (any) 527.8
  • with calculus 527.5
  • sigmoid (see also Obstruction, intestine) 560.9
  • sinus (accessory) (nasal) (see also Sinusitis) 473.9
  • Stensen's duct 527.8
  • stomach 537.89
  • acute 536.1
  • congenital 750.7
  • submaxillary gland 527.8
  • with calculus 527.5
  • thoracic duct 457.1
  • thrombotic=see Thrombosis
  • tooth eruption 520.6
  • trachea 519.1
  • tracheostomy airway 519.0
  • tricuspid=see Endocarditis, tricuspid
  • upper respiratory, congenital 748.8
  • ureter (pelvic juncture) (functional) 593.4
  • congenital 753.2
  • due to calculus 592.1
  • urethra 599.6
  • congenital 753.6
  • urinary (moderate) 599.6
  • organ or tract (lower) 599.6
  • prostatic valve 596.0
  • uropathy 599.6
  • uterus 621.8
  • vagina 623.2
  • valvular=see Endocarditis
  • vascular graft or shunt 996.1
  • atherosclerosis=see Arteriosclerosis, coronary
  • embolism 996.74
  • occlusion NEC 996.74
  • thrombus 996.74
  • vein, venous 459.2
  • caval (inferior) (superior) 459.2
  • thrombotic=see Thrombosis
  • vena cava (inferior) (superior) 459.2
  • ventricular shunt 996.2
  • vesical 596.0
  • vesicourethral orifice 596.0
  • vessel NEC 459.9
• Obturator=see condition
• Occlusal wear, teeth 521.1
• Occlusion
  • anus 569.49
  • congenital 751.2
  • infantile 751.2
  • aortoiliac (chronic) 444.0
  • aqueduct of Sylvius 331.4
  • congenital 742.3
    • with spina bifida (see also Spina bifida) 741.0
  • arteries of extremities, lower 444.22
  • without thrombus or embolus (see also Arteriosclerosis, extremities) 440.20
  • due to stricture or stenosis 447.1
  • upper 444.21
    • without thrombus or embolus (see also Arteriosclerosis, extremities) 440.20
    • due to stricture or stenosis 447.1
  • artery NEC (see also Embolism, artery) 444.9
  • auditory, internal 433.8
  • basilar 433.0
    • with other precerebral artery 433.3
    • bilateral 433.3
  • brain or cerebral (see also Infarct, brain) 434.9
  • carotid 433.1
    • with other precerebral artery 433.3
    • bilateral 433.3
  • cerebellar (anterior inferior) (posterior inferior) (superior) 433.8
  • cerebral (see also Infarct, brain) 434.9
  • choroidal (anterior) 433.8
  • communicating posterior 433.8
  • coronary (acute) (thrombotic) (see also Infarct, myocardium) 410.9
    • healed or old 412
    • without myocardial infarction 411.81
  • hypophyseal 433.8
  • iliac 444.81
  • mesenteric (embolic) (thrombotic) (with gangrene) 557.0
  • pontine 433.8
  • precerebral NEC 433.9
    • late effect=see category 438
    • multiple or bilateral 433.3
    • puerperal, postpartum, childbirth 674.0
    • specified NEC 433.8
  • renal 593.81
  • retinal=see Occlusion, retina, artery
  • spinal 433.8
  • vertebral 433.2
    • with other precerebral artery 433.3
    • bilateral 433.3
  • basilar (artery)=see Occlusion, artery, basilar
  • bile duct (any) (see also Obstruction, biliary) 576.2
  • bowel (see also Obstruction, intestine) 560.9
  • brain (artery) (vascular) (see also Infarct, brain) 434.9
  • breast (duct) 611.8
  • carotid (artery) (common) (internal)=see Occlusion, artery, carotid
  • cerebellar (anterior inferior) (artery) (posterior inferior) (superior) 433.8
  • cerebral (artery) (see also Infarct, brain) 434.9
  • cerebrovascular (see also Infarct, brain) 434.9
  • diffuse 437.0
  • cervical canal (see also Stricture, cervix) 622.4
  • by falciparum malaria 084.0
  • cervix (uteri) (see also Stricture, cervix) 622.4
  • choanal 748.0
  • choroidal (artery) 433.8
  • colon (see also Obstruction, intestine) 560.9
  • communicating posterior artery 433.8
  • coronary (acute) (artery) (thrombotic) (see also Infarct, myocardium) 410.9
  • without myocardial infarction 411.81
  • healed or old 412
  • cystic duct (see also Obstruction, gallbladder) 575.2
  • congenital 751.69
  • embolic=see Embolism
  • fallopian tube 628.2
  • congenital 752.19
  • gallbladder (see also Obstruction, gallbladder) 575.2
  • congenital 751.69
    • jaundice from 751.69 [744.5]
  • gingiva, traumatic 523.8
  • hymen 623.3
  • congenital 752.41
  • hypophyseal (artery) 433.8
  • iliac (artery) 444.81
  • intestine (see also Obstruction, intestine) 560.9
  • kidney 593.89
  • lacrimal apparatus=see Stenosis, lacrimal
  • lung 518.89
  • lymph or lymphatic channel 457.1
  • mammary duct 611.8
  • mesenteric artery (embolic) (thrombotic) (with gangrene) 557.0
  • nose 478.1
  • congenital 748.0
  • organ or site, congenital NEC=see Atresia
  • oviduct 628.2
  • congenital 752.19
  • periodontal, traumatic 523.8
  • peripheral arteries (lower extremity) 444.22
  • without thrombus or embolus (see also Arteriosclerosis, extremities) 440.20
  • due to stricture or stenosis 447.1
  • upper extremity 444.21
    • without thrombus or embolus (see also Arteriosclerosis, extremities) 440.20
    • due to stricture or stenosis 447.1
  • pontine (artery) 433.8
  • posterior lingual, of mandibular teeth 524.2
  • precerebral artery=see Occlusion, artery, precerebral NEC
  • puncta lacrimalia 375.52
  • pupil 364.74
  • pylorus (see also Stricture, pylorus) 537.0
  • renal artery 593.81
  • retina, retinal (vascular) 362.30
  • artery, arterial 362.30
    • branch 362.32
    • central (total) 362.31
    • partial 362.33
    • transient 362.34
    • tributary 362.32
  • vein 362.30
    • branch 362.36
    • central (total) 362.35
    • incipient 362.37
    • partial 362.37
    • tributary 362.36
  • spinal artery 433.8
  • teeth (mandibular) (posterior lingual) 524.2
  • thoracic duct 457.1
  • tubal 628.2
  • ureter (complete) (partial) 593.4
  • congenital 753.2
  • urethra (see also Stricture, urethra) 598.9
  • congenital 753.6
  • uterus 621.8
  • vagina 623.2
  • vascular NEC 459.9
  • vein=see Thrombosis
  • vena cava (inferior) (superior) 453.2
  • ventricle (brain) NEC 331.4
  • vertebral (artery)=see Occlusion, artery, vertebral
  • vessel (blood) NEC 459.9
  • vulva 624.8
• Occlusio pupillae 364.74
• Occupational
  • problems NEC V62.2
  • therapy V57.21
• Ochlophobia 300.29
• Ochronosis (alkaptonuric) (congenital) (endogenous) 270.2
  • with chloasma of eyelid 270.2
• Ocular muscle=see also condition
  • myopathy 359.1
• Oculoauriculovertebral dysplasia 756.0
• Oculogyric
  • crisis or disturbance 378.87
  • psychogenic 306.7
• Oculomotor syndrome 378.81
• Oddi's sphincter spasm 576.5
• Odelberg's disease (juvenile osteochondrosis) 732.1
• Odontalgia 525.9
• Odontoameloblastoma (M9311/0) 213.1
  • upper jaw (bone) 213.0
• Odontoclasia 521.0
• Odontoclasis 873.63
  • complicated 873.73
• Odontodysplasia, regional 520.4
• Odontogenesis imperfecta 520.5
• Odontoma (M9280/0) 213.1
  • ameloblastic (M9311/0) 213.1
  • upper jaw (bone) 213.0
  • calcified (M9280/0) 213.1
  • upper jaw (bone) 213.0
  • complex (M9282/0) 213.1
  • upper jaw (bone) 213.0
  • compound (M9281/0) 213.1
  • upper jaw (bone) 213.0
  • fibroameloblastic (M9290/0) 213.1
  • upper jaw (bone) 213.0
  • follicular 526.0
  • upper jaw (bone) 213.0
• Odontomyelitis (closed) (open) 522.0
• Odontonecrosis 521.0
• Odontorrhagia 525.8
• Odontosarcoma, ameloblastic (M9290/3) 170.1
  • upper jaw (bone) 170.0
• Oesophagostomiasis 127.7
• Oesophagostomum infestation 127.7
• Oestriasis 134.0
• Ogilvie's syndrome (sympathicotonic colon obstruction) 560.89
• Oguchi's disease (retina) 368.61
• Ohara's disease (see also Tularemia) 021.9
• Oidiomycosis (see also Candidiasis) 112.9
• Oidiomycotic meningitis 112.83
• Oidium albicans infection (see also Candidiasis) 112.9
• Old age 797
  • dementia (of) 290.0
• Olfactory=see condition
• Oligemia 285.9
• Oligergasia (see also Retardation, mental) 319
• Oligoamnios 658.0
  • affecting fetus or newborn 761.2
• Oligoastrocytoma, mixed (M9382/3)
  • specified site=see Neoplasm, by site, malignant
  • unspecified site 191.9
• Oligocythemia 285.9
• Oligodendroblastoma (M9460/3)
  • specified site=see Neoplasm, by site, malignant
  • unspecified site 191.9
• Oligodendroglioma (M9450/3)
  • anaplastic type (M9451/3)
  • specified site=see Neoplasm, by site, malignant
  • unspecified site 191.9
  • specified site=see Neoplasm, by site, malignant
  • unspecified site 191.9
• Oligodendroma=see Oligodendroglioma
• Oligodontia (see also Anodontia) 520.0
• Oligoencephalon 742.1
• Oligohydramnios 658.0
  • affecting fetus or newborn 761.2
  • due to premature rupture of membranes 658.1
  • affecting fetus or newborn 761.2
• Oligohydrosis 705.0
• Oligomenorrhea 626.1
• Oligophrenia (see also Retardation, mental) 319
  • phenylpyruvic 270.1
• Oligospermia 606.1
• Oligotrichia 704.09
  • congenita 757.4
• Oliguria 788.5
  • with
  • abortion=see Abortion, by type, with renal failure
  • ectopic pregnancy (see also categories 633.0-633.9) 639.3
  • molar pregnancy (see also categories 630-632) 639.3
  • complicating
  • abortion 639.3
  • ectopic or molar pregnancy 639.3
  • pregnancy 646.2
    • with hypertension=see Toxemia, of pregnancy
  • due to a procedure 997.5
  • following labor and delivery 669.3
  • heart or cardiac=see Failure, heart, congestive
  • puerperal, postpartum 669.3
  • specified due to a procedure 997.5
• Ollier's disease (chondrodysplasia) 756.4
• Omentitis (see also Peritonitis) 567.9
• Omentocele (see also Hernia, omental) 553.8
• Omentum, omental=see condition
• Omphalitis (congenital) (newborn) 771.4
  • not of newborn 686.9
  • tetanus 771.3
• Omphalocele 756.7
• Omphalomesenteric duct, persistent 751.0
• Omphalorrhagia, newborn 772.3
• Omsk hemorrhagic fever 065.1
• Onanism 307.9
• Onchocerciasis 125.3
  • eye 125.3 [360.13]
• Onchocercosis 125.3
• Oncocytoma (M8290/0)=see Neoplasm, by site, benign
• Ondine's curse 348.8
• Oneirophrenia (see also Schizophrenia) 295.4
• Onychauxis 703.8
  • congenital 757.5
• Onychia (with lymphangitis) 681.9
  • dermatophytic 110.1
  • finger 681.02
  • toe 681.11
• Onychitis (with lymphangitis) 681.9
  • finger 681.02
  • toe 681.11
• Onychocryptosis 703.0
• Onychodystrophy 703.8
  • congenital 757.5
• Onychogryphosis 703.8
• Onychogryposis 703.8
• Onycholysis 703.8
• Onychomadesis 703.8
• Onychomalacia 703.8
• Onychomycosis 110.1
  • finger 110.1
  • toe 110.1
• Onycho-osteodysplasia 756.89
• Onychophagy 307.9
• Onychoptosis 703.8
• Onychorrhexis 703.8
  • congenital 757.5
• Onychoschizia 703.8
• Onychotrophia (see also Atrophy, nail) 703.8
• O'Nyong Nyong fever 066.3
• Onyxis (finger) (toe) 703.0
• Onyxitis (with lymphangitis) 681.9
  • finger 681.02
  • toe 681.11
• Oophoritis (cystic) (infectional) (interstitial) (see also Salpingo-oophoritis) 614.2
  • complicating pregnancy 646.6
  • fetal (acute) 752.0
  • gonococcal (acute) 098.19
  • chronic or duration of 2 months or over 098.39
  • tuberculous (see also Tuberculosis) 016.6
• Opacity, opacities
  • cornea 371.00
  • central 371.03
  • congenital 743.43
    • interfering with vision 743.42
  • degenerative (see also Degeneration, cornea) 371.40
  • hereditary (see also Dystrophy, cornea) 371.50
  • inflammatory (see also Keratitis) 370.9
  • late effect of trachoma (healed) 139.1
  • minor 371.01
  • peripheral 371.02
  • enamel (fluoride) (nonfluoride) (teeth) 520.3
  • lens (see also Cataract) 366.9
  • snowball 379.22
  • vitreous (humor) 379.24
  • congenital 743.51
• Opalescent dentin (hereditary) 520.5
• Open, opening
  • abnormal, organ or site, congenital=see Imperfect, closure
  • angle with
  • borderline intraocular pressure 365.01
  • cupping of discs 365.01
  • bite (anterior) (posterior) 524.2
  • false=see Imperfect, closure
  • wound=see Wound, open, by site
• Operation
  • causing mutilation of fetus 763.8
  • destructive, on live fetus, to facilitate birth 763.8
  • for delivery, fetus or newborn 763.8
  • maternal, unrelated to current delivery, affecting fetus or newborn 760.6
• Operational fatigue 300.89
• Operative=see condition
• Operculitis (chronic) 523.4
  • acute 523.3
• Operculum, retina 361.32
  • with detachment 361.01
• Ophiasis 704.01
• Ophthalmia (see also Conjunctivitis) 372.30
  • actinic rays 370.24
  • allergic (acute) 372.05
  • chronic 372.14
  • blennorrhagic (neonatorum) 098.40
  • catarrhal 372.03
  • diphtheritic 032.81
  • Egyptian 076.1
  • electric, electrica 370.24
  • gonococcal (neonatorum) 098.40
  • metastatic 360.11
  • migraine 346.8
  • neonatorum, newborn 771.6
  • gonococcal 098.40
  • nodosa 360.14
  • phlyctenular 370.31
  • with ulcer (see also Ulcer, cornea) 370.00
  • sympathetic 360.11
• Ophthalmitis=see Ophthalmia
• Ophthalmocele (congenital) 743.66
• Ophthalmoneuromyelitis 341.0
• Ophthalmopathy, infiltrative with thyrotoxicosis 242.0
• Ophthalmoplegia (see also Strabismus) 378.9
  • anterior internuclear 378.86
  • ataxia-areflexia syndrome 357.0
  • bilateral 378.9
  • diabetic 250.5 [378.86]
  • exophthalmic 242.0 [376.22]
  • external 378.55
  • progressive 378.72
  • total 378.56
  • internal (complete) (total) 367.52
  • internuclear 378.86
  • migraine 346.8
  • painful 378.55
  • Parinaud's 378.81
  • progressive external 378.72
  • supranuclear, progressive 333.0
  • total (external) 378.56
  • internal 367.52
  • unilateral 378.9
• Opisthognathism 524.00
• Opisthorchiasis (felineus) (tenuicollis) (viverrini) 121.0
• Opisthotonos, opisthotonus 781.0
• Opitz's disease (congestive splenomegaly) 289.51
• Opiumism (see also Dependence) 304.0
• Oppenheim's disease 358.8
• Oppenheim-Urbach disease or syndrome (necrobiosis lipoidica diabeticorum) 250.8 [709.3]
• Opsoclonia 379.59
• Optic nerve=see condition
• Orbit=see condition
• Orchioblastoma (M9071/3) 186.9
• Orchitis (nonspecific) (septic) 604.90
  • with abscess 604.0
  • blennorrhagic (acute) 098.13
  • chronic or duration of 2 months or over 098.33
  • diphtheritic 032.89 [604.91]
  • filarial 125.9 [604.91]
  • gangrenous 604.99
  • gonococcal (acute) 098.13
  • chronic or duration of 2 months or over 098.33
  • mumps 072.0
  • parotidea 072.0
  • suppurative 604.99
  • syphilitic 095.8 [604.91]
  • tuberculous (see also Tuberculosis) 016.5 [608.81]
• Orf 051.2
• Organic=see also condition
  • heart=see Disease, heart
  • insufficiency 799.8
• Oriental
  • bilharziasis 120.2
  • schistosomiasis 120.2
  • sore 085.1
• Orifice=see condition
• Origin, both great vessels from right ventricle 745.11
• Ormond's disease or syndrome 593.4
• Ornithosis 073.9
  • with
  • complication 073.8
    • specified NEC 073.7
  • pneumonia 073.0
  • pneumonitis (lobular) 073.0
• Orodigitofacial dysostosis 759.89
• Oropouche fever 066.3
• Orotaciduria, oroticaciduria (congenital) (hereditary) (pyrimidine deficiency) 281.4
• Oroya fever 088.0
• Orthodontics V58.5
  • adjustment V53.4
  • aftercare V58.5
  • fitting V53.4
• Orthopnea 786.02
• Os, uterus=see condition
• Osgood-Schlatter
  • disease 732.4
  • osteochondrosis 732.4
• Osler's
  • disease (M9950/1) (polycythemia vera) 238.4
  • nodes 421.0
• Osler-Rendu disease (familial hemorrhagic telangiectasia) 448.0
• Osler-Vaquez disease (M9950/1) (polycythemia vera) 238.4
• Osler-Weber-Rendu syndrome (familial hemorrhagic telangiectasia) 448.0
• Osmidrosis 705.89
• Osseous=see condition
• Ossification
  • artery=see Arteriosclerosis
  • auricle (ear) 380.39
  • bronchus 519.1
  • cardiac (see also Degeneration, myocardial) 429.1
  • cartilage (senile) 733.99
  • coronary=see Arteriosclerosis, coronary
  • diaphragm 728.10
  • ear 380.39
  • middle (see also Otosclerosis) 387.9
  • falx cerebri 349.2
  • fascia 728.10
  • fontanel
  • defective or delayed 756.0
  • premature 756.0
  • heart (see also Degeneration, myocardial) 429.1
  • valve=see Endocarditis
  • larynx 478.79
  • ligament
  • posterior longitudinal 724.8
    • cervical 723.7
  • meninges (cerebral) 349.2
  • spinal 336.8
  • multiple, eccentric centers 733.99
  • muscle 728.10
  • heterotopic, postoperative 728.13
  • myocardium, myocardial (see also Degeneration, myocardial) 429.1
  • penis 607.81
  • periarticular 728.89
  • sclera 379.16
  • tendon 727.82
  • trachea 519.1
  • tympanic membrane (see also Tympanosclerosis) 385.00
  • vitreous (humor) 360.44
• Osteitis (see also Osteomyelitis) 730.2
  • acute 730.0
  • alveolar 526.5
  • chronic 730.1
  • condensans (ilii) 733.5
  • deformans (Paget's) 731.0
  • due to or associated with malignant neoplasm (see also Neoplasm, bone, malignant) 170.9 [731.1]
  • due to yaws 102.6
  • fibrosa NEC 733.29
  • cystica (generalisata) 252.0
  • disseminata 756.59
  • osteoplastica 252.0
  • fragilitans 756.51
  • Garre's (sclerosing) 730.1
  • infectious (acute) (subacute) 730.0
  • chronic or old 730.1
  • jaw (acute) (chronic) (lower) (neonatal) (suppurative) (upper) 526.4
  • parathyroid 252.0
  • petrous bone (see also Petrositis) 383.20
  • pubis 733.5
  • sclerotic, nonsuppurative 730.1
  • syphilitic 095.5
  • tuberculosa
  • cystica (of Jungling) 135
  • multiplex cystoides 135
• Osteoarthritica spondylitis (spine) (see also Spondylosis) 721.90
• Osteoarthritis (see also Osteoarthrosis) 715.9
  • distal interphalangeal 715.9
  • hyperplastic 731.2
  • interspinalis (see also Spondylosis) 721.90
  • spine, spinal NEC (see also Spondylosis) 721.90
• Osteoarthropathy (see also Osteoarthrosis) 715.9
  • chronic idiopathic hypertrophic 757.39
  • familial idiopathic 757.39
  • hypertrophic pulmonary 731.2
  • secondary 731.2
  • idiopathic hypertrophic 757.39
  • primary hypertrophic 731.2
  • pulmonary hypertrophic 731.2
  • secondary hypertrophic 731.2
• Osteoarthrosis (degenerative) (hypertrophic) (rheumatoid) 715.9
  • Deformans alkaptonurica 270.2
  • generalized 715.09
  • juvenilis (Kohler's) 732.5
  • localized 715.3
  • idiopathic 715.1
  • primary 715.1
  • secondary 715.2
  • multiple sites, not specified as generalized 715.89
  • polyarticular 715.09
  • spine (see also Spondylosis) 721.90
• Osteoblastoma (M9200/0)=see Neoplasm, bone, benign
• Osteochondritis (see also Osteochondrosis) 732.9
  • dissecans 732.7
  • hip 732.7
  • ischiopubica 732.1
  • multiple 756.59
  • syphilitic (congenital) 090.0
• Osteochondrodermodysplasia 756.59
• Osteochondrodystrophy 277.5
  • deformans 277.5
  • familial 277.5
  • fetalis 756.4
• Osteochondrolysis 732.7
• Osteochondroma (M9210/0)=see also Neoplasm, bone, benign
  • multiple, congenital 756.4
• Osteochondromatosis (M9210/1) 238.0
  • synovial 727.82
• Osteochondromyxosarcoma (M9180/3)=see Neoplasm, bone, malignant
• Osteochondropathy NEC 732.9
• Osteochondrosarcoma (M9180/3)=see Neoplasm, bone, malignant
• Osteochondrosis 732.9
  • acetabulum 732.1
  • adult spine 732.8
  • astragalus 732.5
  • Blount's 732.4
  • Buchanan's (juvenile osteochondrosis of iliac crest) 732.1
  • Buchman's (juvenile osteochondrosis) 732.1
  • Burns' 732.3
  • calcaneus 732.5
  • capitular epiphysis (femur) 732.1
  • carpal
  • lunate (wrist) 732.3
  • scaphoid 732.3
  • coxae juvenilis 732.1
  • deformans juvenilis (coxae) (hip) 732.1
  • scheuermann's 732.0
  • spine 732.0
  • tibia 732.4
  • vertebra 732.0
  • Diaz's (astragalus) 732.5
  • dissecans (knee) (shoulder) 732.7
  • femoral capital epiphysis 732.1
  • femur (head) (juvenile) 732.1
  • foot (juvenile) 732.5
  • Freiberg's (disease) (second metatarsal) 732.5
  • Haas' 732.3
  • Haglund's (os tibiale externum) 732.5
  • hand (juvenile) 732.3
  • head of
  • femur 732.1
  • humerus (juvenile) 732.3
  • hip (juvenile) 732.1
  • humerus (juvenile) 732.3
  • iliac crest (juvenile) 732.1
  • ilium (juvenile) 732.1
  • ischiopubic synchondrosis 732.1
  • Iselin's (osteochondrosis fifth metatarsal) 732.5
  • juvenile, juvenilis 732.6
  • arm 732.3
  • capital femoral epiphysis 732.1
  • capitellum humeri 732.3
  • capitular epiphysis 732.1
  • carpal scaphoid 732.3
  • clavicle, sternal epiphysis 732.6
  • coxae 732.1
  • deformans 732.1
  • foot 732.5
  • hand 732.3
  • hip and pelvis 732.1
  • lower extremity, except foot 732.4
  • lunate, wrist 732.3
  • medial cuneiform bone 732.5
  • metatarsal (head) 732.5
  • metatarsophalangeal 732.5
  • navicular, ankle 732.5
  • patella 732.4
  • primary patellar center (of Kohler) 732.4
  • specified site NEC 732.6
  • spine 732.0
  • tarsal scaphoid 732.5
  • tibia (epiphysis) (tuberosity) 732.4
  • upper extremity 732.3
  • vertebra (body) (Calve) 732.0
    • epiphyseal plates (of Scheuermann) 732.0
  • Kienbock's (disease) 732.3
  • Kohler's (disease) (navicular, ankle) 732.5
  • patellar 732.4
  • tarsal navicular 732.5
  • Legg-Calve-Perthes (disease) 732.1
  • lower extremity (juvenile) 732.4
  • lunate bone 732.3
  • Mauclaire's 732.3
  • metacarpal heads (of Mauclaire) 732.3
  • metatarsal (fifth) (head) (second) 732.5
  • navicular, ankle 732.5
  • os calcis 732.5
  • Osgood-Schlatter 732.4
  • os tibiale externum 732.5
  • Panner's 732.3
  • patella (juvenile) 732.4
  • patellar center
  • primary (of Kohler) 732.4
  • secondary (of Sinding-Larsen) 732.4
  • pelvis (juvenile) 732.1
  • Pierson's 732.1
  • radial head (juvenile) 732.3
  • Scheuermann's 732.0
  • Sever's (calcaneum) 732.5
  • Sinding-Larsen (secondary patellar center) 732.4
  • spine (juvenile) 732.0
  • adult 732.8
  • symphysis pubis (of Pierson) (juvenile) 732.1
  • syphilitic (congenital) 090.0
  • tarsal (navicular) (scaphoid) 732.5
  • tibia (proximal) (tubercle) 732.4
  • tuberculous=see Tuberculosis, bone
  • ulna 732.3
  • upper extremity (juvenile) 732.3
  • van Neck's (juvenile osteochondrosis) 732.1
  • vertebral (juvenile) 732.0
  • adult 732.8
• Osteoclastoma (M9250/1) 238.0
  • malignant (M9250/3)=see Neoplasm, bone, malignant
• Osteocopic pain 733.90
• Osteodynia 733.90
• Osteodystrophy
  • azotemic 588.0
  • chronica deformans hypertrophica 731.0
  • congenital 756.50
  • specified type NEC 756.59
  • deformans 731.0
  • fibrosa localisata 731.0
  • parathyroid 252.0
  • renal 588.0
• Osteofibroma (M9262/0)=see Neoplasm, bone, benign
• Osteofibrosarcoma (M9182/3)=see Neoplasm, bone, malignant
• Osteogenesis imperfecta 756.51
• Osteogenic=see condition
• Osteoma (M9180/0)=see also Neoplasm, bone, benign
  • osteoid (M9191/0)=see also Neoplasm, bone, benign
  • giant (M9200/0)=see Neoplasm, bone, benign
• Osteomalacia 268.2
  • chronica deformans hypertrophica 731.0
  • due to vitamin D deficiency 268.2
  • infantile (see also Rickets) 268.0
  • juvenile (see also Rickets) 268.0
  • pelvis 268.2
  • vitamin D-resistant 275.3
• Osteomalacic bone 268.2
• Osteomalacosis 268.2
• Osteomyelitis (general) (infective) (localized) (neonatal) (purulent) (pyogenic) (septic) (staphylococcal) (streptococcal) (suppurative) (with periostitis) 730.2
  • acute or subacute 730.0
  • chronic or old 730.1
  • due to or association with
  • diabetes mellitus 250.8 [731.8]
  • tuberculosis (see also Tuberculosis, bone) 015.9 [730.8]
    • limb bones 015.5 [730.8]
    • specified bones NEC 015.7 [730.8]
    • spine 015.0 [730.8]
  • typhoid 002.0 [730.8]
  • Garre's 730.1
  • jaw (acute) (chronic) (lower) (neonatal) (suppurative) (upper) 526.4
  • nonsuppurating 730.1
  • orbital 376.03
  • petrous bone (see also Petrositis) 383.20
  • Salmonella 003.24
  • sclerosing, nonsuppurative 730.1
  • sicca 730.1
  • syphilitic 095.5
  • congenital 090.0 [730.8]
  • tuberculous=see Tuberculosis, bone
  • typhoid 002.0 [730.8]
• Osteomyelofibrosis 289.8
• Osteomyelosclerosis 289.8
• Osteonecrosis (see also Osteomyelitis) 730.1
• Osteo-onycho-arthro dysplasia 756.89
• Osteo-onychodysplasia, hereditary 756.89
• Osteopathia
  • condensans disseminata 756.53
  • hyperostotica multiplex infantilis 756.59
  • hypertrophica toxica 731.2
  • striata 756.4
• Osteopathy resulting from poliomyelitis (see also Poliomyelitis) 045.9 [730.7]
  • familial dysplastic 731.2
• Osteopecilia 756.53
• Osteopenia 733.90
• Osteoperiostitis (see also Osteomyelitis) 730.2
  • ossificans toxica 731.2
  • toxica ossificans 731.2
• Osteopetrosis (familial) 756.52
• Osteophyte=see Exostosis
• Osteophytosis=see Exostosis
• Osteopoikilosis 756.53
• Osteoporosis (generalized) 733.00
  • circumscripta 731.0
  • disuse 733.03
  • drug-induced 733.09
  • idiopathic 733.02
  • postmenopausal 733.01
  • posttraumatic 733.7
  • senile 733.01
  • specified type NEC 733.09
• Osteoporosis-osteomalacia syndrome 268.2
• Osteopsathyrosis 756.51
• Osteoradionecrosis, jaw 526.89
• Osteosarcoma (M9180/3)=see also Neoplasm, bone, malignant
  • chondroblastic (M9181/3)=see Neoplasm, bone, malignant
  • fibroblastic (M9182/3)=see Neoplasm, bone, malignant
  • in Paget's disease of bone (M9184/3)=see Neoplasm, bone, malignant
  • juxtacortical (M9190/3)=see Neoplasm, bone malignant
  • parosteal (M9190/3)=see Neoplasm, bone, malignant
  • telangiectatic (M9183/3)=see Neoplasm, bone, malignant
• Osteosclerosis 756.52
  • fragilis (generalisata) 756.52
  • myelofibrosis 289.8
• Osteosclerotic anemia 289.8
• Osteosis
  • acromegaloid 757.39
  • cutis 709.3
  • parathyroid 252.0
  • renal fibrocystic 588.0
• Osterreicher-Turner syndrome 756.89
• Ostium
  • atrioventriculare commune 745.69
  • primum (arteriosum) (defect) (persistent) 745.61
  • secundum (arteriosum) (defect) (patent) (persistent) 745.5
• Ostrum-Furst syndrome 756.59
• Otalgia 388.70
  • otogenic 388.71
  • referred 388.72
• Othematoma 380.31
• Otitic hydrocephalus 348.2
• Otitis 382.9
  • with effusion 381.4
  • purulent 382.4
  • secretory 381.4
  • serous 381.4
  • suppurative 382.4
  • acute 382.9
  • adhesive (see also Adhesions, middle ear) 385.10
  • chronic 382.9
  • with effusion 381.3
  • mucoid, mucous (simple) 381.20
  • purulent 382.3
  • secretory 381.3
  • serous 381.10
  • suppurative 382.3
  • diffuse parasitic 136.8
  • externa (acute) (diffuse) (hemorrhagica) 380.10
  • actinic 380.22
  • candidal 112.82
    • chemical 380.22
    • chronic 380.23
    • mycotic=see Otitis, externa, mycotic
    • specified type NEC 380.23
  • circumscribed 380.10
  • contact 380.22
  • due to
    • erysipelas 035 [380.13]
    • impetigo 684 [380.13]
    • seborrheic dermatitis 690.10 [380.13]
  • eczematoid 380.22
  • furuncular 680.0 [380.13]
  • infective 380.10
    • chronic 380.16
  • malignant 380.14
  • mycotic (chronic) 380.15
    • due to
    • aspergillosis 117.3 [380.15]
    • moniliasis 112.82
    • otomycosis 111.8 [380.15]
  • reactive 380.22
  • specified type NEC 380.22
  • tropical 111.8 [380.15]
  • insidiosa (see also Otosclerosis) 387.9
  • interna (see also Labyrinthitis) 386.30
  • media (hemorrhagic) (staphylococcal) (streptococcal) 382.9
  • acute 382.9
    • with effusion 381.00
    • allergic 381.04
    • mucoid 381.05
    • sanguineous 381.06
    • serous 381.04
    • catarrhal 381.00
    • exudative 381.00
    • mucoid 381.02
    • allergic 381.05
    • necrotizing 382.00
    • with spontaneous rupture of ear drum 382.01
    • in
      • influenza 487.8 [382.02]
      • measles 055.2
      • scarlet fever 034.1 [382.02]
    • nonsuppurative 381.00
    • purulent 382.00
    • with spontaneous rupture of ear drum 382.01
    • sanguineous 381.03
    • allergic 381.06
    • secretory 381.01
    • seromucinous 381.02
    • serous 381.01
    • allergic 381.04
    • suppurative 382.00
    • with spontaneous rupture of ear drum 382.01
    • due to
      • influenza 487.8 [382.02]
      • scarlet fever 034.1 [382.02]
    • transudative 381.00
  • adhesive (see also Adhesions, middle ear) 385.10
  • allergic 381.4
    • acute 381.04
    • mucoid 381.05
    • sanguineous 381.06
    • serous 381.04
    • chronic 381.3
  • catarrhal 381.4
    • acute 381.00
    • chronic (simple) 381.10
  • chronic 382.9
    • with effusion 381.3
    • adhesive (see also Adhesions, middle ear) 385.10
    • allergic 381.3
    • atticoantral, suppurative (with posterior or superior marginal perforation of ear drum) 382.2
    • benign suppurative (with anterior perforation of ear drum) 382.1
    • catarrhal 381.10
    • exudative 381.3
    • mucinous 381.20
    • mucoid, mucous (simple) 381.20
    • mucosanguineous 381.29
    • nonsuppurative 381.3
    • purulent 382.3
    • secretory 381.3
    • seromucinous 381.3
    • serosanguineous 381.19
    • serous (simple) 381.10
    • suppurative 382.3
    • atticoantral (with posterior or superior marginal perforation of ear drum) 382.2
    • benign (with anterior perforation of ear drum) 382.1
    • tuberculous (see also Tuberculosis) 017.4
    • tubotympanic 382.1
    • transudative 381.3
  • exudative 381.4
    • acute 381.00
    • chronic 381.3
  • fibrotic (see also Adhesions, middle ear) 385.10
  • mucoid, mucous 381.4
    • acute 381.02
    • chronic (simple) 381.20
  • mucosanguineous, chronic 381.29
  • nonsuppurative 381.4
    • acute 381.00
    • chronic 381.3
  • postmeasles 055.2
  • purulent 382.4
    • acute 382.00
    • with spontaneous rupture of ear drum 382.01
    • chronic 382.3
  • sanguineous, acute 381.03
    • allergic 381.06
  • secretory 381.4
    • acute or subacute 381.01
    • chronic 381.3
  • seromucinous 381.4
    • acute or subacute 381.02
    • chronic 381.3
  • serosanguineous, chronic 381.19
  • serous 381.4
    • acute or subacute 381.01
    • chronic (simple) 381.10
  • subacute=see Otitis, media, acute
  • suppurative 382.4
    • acute 382.00
    • with spontaneous rupture of ear drum 382.01
    • chronic 382.3
    • atticoantral 382.2
    • benign 382.1
    • tuberculous (see also Tuberculosis) 017.4
    • tubotympanic 382.1
  • transudative 381.4
    • acute 381.00
    • chronic 381.3
  • tuberculous (see also Tuberculosis 017.4
  • postmeasles 055.2
• Otoconia 386.8
• Otolith syndrome 386.19
• Otomycosis 111.8 [380.15]
  • in
  • aspergillosis 117.3 [380.15]
  • moniliasis 112.82
• Otopathy 388.9
• Otoporosis (see also Otosclerosis) 387.9
• Otorrhagia 388.69
  • traumatic=see nature of injury
• Otorrhea 388.60
  • blood 388.69
  • cerebrospinal (fluid) 388.61
• Otosclerosis (general) 387.9
  • cochlear (endosteal) 387.2
  • involving
  • otic capsule 387.2
  • oval window
    • nonobliterative 387.0
    • obliterative 387.1
  • round window 387.2
  • nonobliterative 387.0
  • obliterative 387.1
  • specified type NEC 387.8
• Otospongiosis (see also Otosclerosis) 387.9
• Otto's disease or pelvis 715.35
• Outburst, aggressive (see also Disturbance, conduct) 312.0
  • in children and adolescents 313.9
• Outcome of delivery
  • multiple birth NEC V27.9
  • all liveborn V27.5
  • all stillborn V27.7
  • some liveborn V27.6
  • unspecified V27.9
  • single V27.9
  • liveborn V27.0
  • stillborn V27.1
  • twins V27.9
  • both liveborn V27.2
  • both stillborn V27.4
  • one liveborn, one stillborn V27.3
• Outlet=see also condition
  • syndrome (thoracic) 353.0
• Outstanding ears (bilateral) 744.29
• Ovalocytosis (congenital) (hereditary) (see also Elliptocytosis) 282.1
• Ovarian=see also condition
  • pregnancy=see Pregnancy, ovarian
  • vein syndrome 593.4
• Ovaritis (cystic) (see also Salpingo-oophoritis) 614.2
• Ovary, ovarian=see condition
• Overactive=see also Hyperfunction
  • eye muscle (see also Strabismus) 378.9
  • hypothalamus 253.8
  • thyroid (see also Thyrotoxicosis) 242.9
• Overactivity, child 314.01
• Overbite (deep) (excessive) (horizontal) (vertical) 524.2
• Overbreathing (see also Hyperventilation) 786.01
• Overconscientious personality 301.4
• Overdevelopment=see also Hypertrophy
  • breast (female) (male) 611.1
  • nasal bones 738.0
  • prostate, congenital 752.8
• Overdistention=see Distention
• Overdose overdosage (drug) 977.9
  • specified drug or substance=see Table of drugs and chemicals
• Overeating 783.6
  • nonorganic origin 307.51
• Overexertion (effects) (exhaustion) 994.5
• Overexposure (effects) 994.9
  • exhaustion 994.4
• Overfeeding (see also Overeating) 783.6
• Overgrowth, bone NEC 733.99
• Overheated (effects) (places)=see Heat
• Overinhibited child 313.0
• Overjet 524.2
• Overlaid, overlying (suffocation) 994.7
• Overlapping toe (acquired) 735.8
  • congenital (fifth toe) 755.66
• Overload
  • fluid 276.6
  • potassium (K) 276.7
  • sodium (Na) 276.0
• Overnutrition (see also Hyperalimentation) 783.6
• Overproduction=see also Hypersecretion
  • ACTH 255.3
  • cortisol 255.0
  • growth hormone 253.0
  • thyroid-stimulating hormone (TSH) 242.8
• Overriding
  • aorta 747.21
  • finger (acquired) 736.29
  • congenital 755.59
  • toe (acquired) 735.8
  • congenital 755.66
• Oversize
  • fetus (weight of 4500 grams or more) 766.0
  • affecting management of pregnancy 656.6
  • causing disproportion 653.5
    • with obstructed labor 660.1
    • affecting fetus or newborn 763.1
• Overstrained 780.7
  • heart=see Hypertrophy, cardiac
• Overweight (see also Obesity) 278.00
• Overwork 780.7
• Oviduct=see condition
• Ovotestis 752.7
• Ovulation (cycle)
  • failure or lack of 628.0
  • pain 625.2
• Ovum
  • blighted 631
  • dropsical 631
  • pathologic 631
• Owren's disease or syndrome (parahemophilia) (see also Defect, coagulation) 286.3
• Oxalosis 271.8
• Oxaluria 271.8
• Ox heart=see Hypertrophy, cardiac
• OX syndrome 758.6
• Oxycephaly, oxycephalic 756.0
  • syphilitic, congenital 090.0
• Oxyuriasis 127.4
• Oxyuris vermicularis (infestation) 127.4
• Ozena 472.0