ICD-10-CM Index to Diseases and Injuries — O
2,082 entries · page 2 of 6. An entry marked — has no code of its own; follow "see" to the listed term.
| Term | Code |
|---|---|
| Occlusion, occluded, artery, cerebral, with infarction, due to, thrombosis | I63.30 |
| Occlusion, occluded, artery, cerebral, with infarction, due to, thrombosis, specified NEC | I63.39 |
| Occlusion, occluded, artery, choroidal (anterior) — see Occlusion, artery, precerebral, specified NEC | — |
| Occlusion, occluded, artery, communicating posterior — see Occlusion, artery, precerebral, specified NEC | — |
| Occlusion, occluded, artery, complete, coronary | I25.82 |
| Occlusion, occluded, artery, complete, extremities | I70.92 |
| Occlusion, occluded, artery, coronary (acute) (thrombotic) (without myocardial infarction) | I24.0 |
| Occlusion, occluded, artery, coronary (acute) (thrombotic) (without myocardial infarction), chronic total | I25.82 |
| Occlusion, occluded, artery, coronary (acute) (thrombotic) (without myocardial infarction), complete | I25.82 |
| Occlusion, occluded, artery, coronary (acute) (thrombotic) (without myocardial infarction), healed or old | I25.2 |
| Occlusion, occluded, artery, coronary (acute) (thrombotic) (without myocardial infarction), total (chronic) | I25.82 |
| Occlusion, occluded, artery, coronary (acute) (thrombotic) (without myocardial infarction), with myocardial infarction — see Infarction, myocardium | — |
| Occlusion, occluded, artery, hypophyseal — see Occlusion, artery, precerebral, specified NEC | — |
| Occlusion, occluded, artery, iliac | I74.5 |
| Occlusion, occluded, artery, lower extremities due to stenosis or stricture | I77.1 |
| Occlusion, occluded, artery, mesenteric (embolic) (thrombotic) | K55.069 |
| Occlusion, occluded, artery, perforating — see Occlusion, artery, cerebral, specified NEC | — |
| Occlusion, occluded, artery, peripheral | I77.9 |
| Occlusion, occluded, artery, peripheral, thrombotic or embolic | I74.4 |
| Occlusion, occluded, artery, pontine — see Occlusion, artery, precerebral, specified NEC | — |
| Occlusion, occluded, artery, precerebral | I65.9 |
| Occlusion, occluded, artery, precerebral, basilar — see Occlusion, artery, basilar | — |
| Occlusion, occluded, artery, precerebral, carotid — see Occlusion, artery, carotid | — |
| Occlusion, occluded, artery, precerebral, puerperal | O88.23 |
| Occlusion, occluded, artery, precerebral, specified NEC | I65.8 |
| Occlusion, occluded, artery, precerebral, specified NEC, with infarction | I63.29 |
| Occlusion, occluded, artery, precerebral, specified NEC, with infarction, due to, embolism | I63.19 |
| Occlusion, occluded, artery, precerebral, specified NEC, with infarction, due to, thrombosis | I63.09 |
| Occlusion, occluded, artery, precerebral, vertebral — see Occlusion, artery, vertebral | — |
| Occlusion, occluded, artery, precerebral, with infarction | I63.20 |
| Occlusion, occluded, artery, precerebral, with infarction, due to, embolism | I63.10 |
| Occlusion, occluded, artery, precerebral, with infarction, due to, embolism, specified NEC | I63.19 |
| Occlusion, occluded, artery, precerebral, with infarction, due to, thrombosis | I63.00 |
| Occlusion, occluded, artery, precerebral, with infarction, due to, thrombosis, specified NEC | I63.09 |
| Occlusion, occluded, artery, precerebral, with infarction, specified NEC | I63.29 |
| Occlusion, occluded, artery, renal | N28.0 |
| Occlusion, occluded, artery, retinal, branch | — |
| Occlusion, occluded, artery, retinal, central | — |
| Occlusion, occluded, artery, retinal, partial | — |
| Occlusion, occluded, artery, retinal, transient | — |
| Occlusion, occluded, artery, spinal — see Occlusion, artery, precerebral, vertebral | — |
| Occlusion, occluded, artery, total (chronic), coronary | I25.82 |
| Occlusion, occluded, artery, total (chronic), extremities | I70.92 |
| Occlusion, occluded, artery, vertebral | — |
| Occlusion, occluded, artery, vertebral, with, infarction | — |
| Occlusion, occluded, artery, vertebral, with, infarction, due to, embolism | — |
| Occlusion, occluded, artery, vertebral, with, infarction, due to, thrombosis | — |
| Occlusion, occluded, basilar artery — see Occlusion, artery, basilar | — |
| Occlusion, occluded, bile duct (common) (hepatic) (noncalculous) | K83.1 |
| Occlusion, occluded, bowel — see Obstruction, intestine | — |
| Occlusion, occluded, carotid (artery) (common) (internal) — see Occlusion, artery, carotid | — |
| Occlusion, occluded, centric (of teeth) | M26.59 |
| Occlusion, occluded, centric (of teeth), maximum intercuspation discrepancy | M26.55 |
| Occlusion, occluded, cerebellar (artery) — see Occlusion, artery, cerebellar | — |
| Occlusion, occluded, cerebral (artery) — see Occlusion, artery, cerebral | — |
| Occlusion, occluded, cerebrovascular — see also Occlusion, artery, cerebral | — |
| Occlusion, occluded, cerebrovascular, with infarction | — |
| Occlusion, occluded, cervical canal — see Stricture, cervix | — |
| Occlusion, occluded, cervix (uteri) — see Stricture, cervix | — |
| Occlusion, occluded, choanal | Q30.0 |
| Occlusion, occluded, choroidal (artery) — see Occlusion, artery, precerebral, specified NEC | — |
| Occlusion, occluded, colon — see Obstruction, intestine | — |
| Occlusion, occluded, communicating posterior artery — see Occlusion, artery, precerebral, specified NEC | — |
| Occlusion, occluded, coronary (artery) (vein) (thrombotic) — see also Infarct, myocardium | — |
| Occlusion, occluded, coronary (artery) (vein) (thrombotic), chronic total | I25.82 |
| Occlusion, occluded, coronary (artery) (vein) (thrombotic), healed or old | I25.2 |
| Occlusion, occluded, coronary (artery) (vein) (thrombotic), not resulting in infarction | I24.0 |
| Occlusion, occluded, coronary (artery) (vein) (thrombotic), total (chronic) | I25.82 |
| Occlusion, occluded, cystic duct — see Obstruction, gallbladder | — |
| Occlusion, occluded, embolic — see Embolism | — |
| Occlusion, occluded, fallopian tube | N97.1 |
| Occlusion, occluded, fallopian tube, congenital | Q50.6 |
| Occlusion, occluded, gallbladder — see also Obstruction, gallbladder | — |
| Occlusion, occluded, gallbladder, congenital (causing jaundice) | Q44.1 |
| Occlusion, occluded, gingiva, traumatic | K06.2 |
| Occlusion, occluded, hymen | N89.6 |
| Occlusion, occluded, hymen, congenital | Q52.3 |
| Occlusion, occluded, hypophyseal (artery) — see Occlusion, artery, precerebral, specified NEC | — |
| Occlusion, occluded, iliac artery | I74.5 |
| Occlusion, occluded, intestine — see Obstruction, intestine | — |
| Occlusion, occluded, lacrimal passages — see Obstruction, lacrimal | — |
| Occlusion, occluded, lung | J98.4 |
| Occlusion, occluded, lymph or lymphatic channel | I89.0 |
| Occlusion, occluded, mammary duct | N64.89 |
| Occlusion, occluded, mesenteric artery (embolic) (thrombotic) | K55.069 |
| Occlusion, occluded, nose | J34.89 |
| Occlusion, occluded, nose, congenital | Q30.0 |
| Occlusion, occluded, organ or site, congenital NEC — see Atresia, by site | — |
| Occlusion, occluded, oviduct | N97.1 |
| Occlusion, occluded, oviduct, congenital | Q50.6 |
| Occlusion, occluded, peripheral arteries, due to stricture or stenosis | I77.1 |
| Occlusion, occluded, peripheral arteries, upper extremity | I74.2 |
| Occlusion, occluded, pontine (artery) — see Occlusion, artery, precerebral, specified NEC | — |
| Occlusion, occluded, posterior lingual, of mandibular teeth | M26.29 |
| Occlusion, occluded, precerebral artery — see Occlusion, artery, precerebral | — |
| Occlusion, occluded, punctum lacrimale — see Obstruction, lacrimal | — |
| Occlusion, occluded, pupil — see Membrane, pupillary | — |
| Occlusion, occluded, pylorus, adult | K31.1 |
| Occlusion, occluded, renal artery | N28.0 |
| Occlusion, occluded, retina, retinal, artery — see Occlusion, artery, retinal | — |
| Occlusion, occluded, retina, retinal, vein (central) | — |
| Occlusion, occluded, retina, retinal, vein (central), engorgement | — |
| Occlusion, occluded, retina, retinal, vein (central), tributary | — |
| Occlusion, occluded, retina, retinal, vessels | H34.9 |
| Occlusion, occluded, spinal artery — see Occlusion, artery, precerebral, vertebral | — |
| Occlusion, occluded, teeth (mandibular) (posterior lingual) | M26.29 |
| Occlusion, occluded, thoracic duct | I89.0 |
| Occlusion, occluded, thrombotic — see Thrombosis, artery | — |
| Occlusion, occluded, traumatic, edentulousridge (alveolar) | K06.2 |
| Occlusion, occluded, traumatic, gingiva | K06.2 |
| Occlusion, occluded, traumatic, periodontal | K05.5 |
| Occlusion, occluded, tubal | N97.1 |
| Occlusion, occluded, ureter (complete) (partial) | N13.5 |
| Occlusion, occluded, ureter (complete) (partial), congenital | Q62.10 |
| Occlusion, occluded, ureteropelvic junction | N13.5 |
| Occlusion, occluded, ureteropelvic junction, congenital | Q62.11 |
| Occlusion, occluded, ureterovesical orifice | N13.5 |
| Occlusion, occluded, ureterovesical orifice, congenital | Q62.12 |
| Occlusion, occluded, urethra — see Stricture, urethra | — |
| Occlusion, occluded, uterus | N85.8 |
| Occlusion, occluded, vagina | N89.5 |
| Occlusion, occluded, vascular NEC | I99.8 |
| Occlusion, occluded, vein — see Thrombosis | — |
| Occlusion, occluded, vein, retinal — see Occlusion, retinal, vein | — |
| Occlusion, occluded, vena cava (inferior) (superior) — see Embolism, vena cava | — |
| Occlusion, occluded, ventricle NEC (brain) | G91.1 |
| Occlusion, occluded, vertebral (artery) — see Occlusion, artery, vertebral | — |
| Occlusion, occluded, vessel (blood) | I99.8 |
| Occlusion, occluded, vulva | N90.5 |
| Occult, blood in feces (stools) | R19.5 |
| Occupational, problems NEC | Z56.89 |
| Ochlophobia — see Agoraphobia | — |
| Ochronosis (endogenous) | E70.29 |
| Ocular muscle — see condition | — |
| Oculogyric crisis or disturbance | H51.8 |
| Oculogyric crisis or disturbance, psychogenic | F45.8 |
| Oculomotor syndrome | H51.9 |
| Oculopathy, syphilitic NEC | A52.71 |
| Oculopathy, syphilitic NEC, congenital, early | A50.01 |
| Oculopathy, syphilitic NEC, congenital, late | A50.30 |
| Oculopathy, syphilitic NEC, early (secondary) | A51.43 |
| Oculopathy, syphilitic NEC, 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 (ameloblastic) (complex) (compound) (fibroameloblastic) — see Cyst, calcifying odontogenic | — |
| Odontomyelitis (closed) (open) | K04.01 |
| Odontomyelitis (closed) (open), irreversible | K04.02 |
| Odontomyelitis (closed) (open), reversible | K04.01 |
| Odontorrhagia | K08.89 |
| Odontosarcoma, ameloblastic | C41.1 |
| Odontosarcoma, ameloblastic, upper jaw (bone) | C41.0 |
| Oestriasis — see Myiasis | — |
| Oguchi's disease | H53.63 |
| Ohara's disease — see Tularemia | — |
| OHS (obesity hypoventilation syndrome) | E66.2 |
| Oidiomycosis — see Candidiasis | — |
| Oidium albicans infection — see Candidiasis | — |
| Old age (without mention of debility) | R54 |
| Old age (without mention of debility), dementia | F03 |
| Oldmyocardial infarction (previous) | I25.2 |
| Olfactory — see condition | — |
| Oligemia — see Anemia | — |
| Oligoastrocytoma, specified site — see Neoplasm, malignant, by site | — |
| Oligoastrocytoma, unspecified site | C71.9 |
| Oligocythemia | D64.9 |
| Oligodendroblastoma, specified site — see Neoplasm, malignant | — |
| Oligodendroblastoma, unspecified site | C71.9 |
| Oligodendroglioma, anaplastic type, specified site — see Neoplasm, malignant, by site | — |
| Oligodendroglioma, anaplastic type, unspecified site | C71.9 |
| Oligodendroglioma, specified site — see Neoplasm, malignant, by site | — |
| Oligodendroglioma, unspecified site | C71.9 |
| Oligodontia — see Anodontia | — |
| Oligoencephalon | Q02 |
| Oligohidrosis | L74.4 |
| Oligohydramnios | — |
| Oligohydrosis | L74.4 |
| Oligomenorrhea | N91.5 |
| Oligomenorrhea, primary | N91.3 |
| Oligomenorrhea, secondary | N91.4 |
| Oligophrenia — see also Disability, intellectual | — |
| Oligophrenia, phenylpyruvic | E70.0 |
| Oligospermia | N46.11 |
| Oligospermia, due to, drug therapy | N46.121 |
| Oligospermia, due to, efferent duct obstruction | N46.123 |
| Oligospermia, due to, infection | N46.122 |
| Oligospermia, due to, radiation | N46.124 |
| Oligospermia, due to, specified cause NEC | N46.129 |
| Oligospermia, due to, systemic disease | N46.125 |
| Oligotrichia — see Alopecia | — |
| Oliguria | R34 |
| Oliguria, postprocedural | N99.0 |
| Oliguria, puerperal | O90.49 |
| Oliguria, with, complicating or following ectopic or molar pregnancy | O08.4 |
| Ollier's disease | Q78.4 |
| Omentitis — see Peritonitis | — |
| Omentocele — see Hernia, abdomen, specified site NEC | — |
| Omentum, omental — see condition | — |
| Omphalitis (congenital) (newborn) | P38.9 |
| Omphalitis (congenital) (newborn), not of newborn | L08.82 |
| Omphalitis (congenital) (newborn), tetanus | A33 |
| Omphalitis (congenital) (newborn), with mild hemorrhage | P38.1 |
| Omphalitis (congenital) (newborn), without hemorrhage | P38.9 |
| Omphalocele | Q79.2 |
| Omphalomesenteric duct, persistent | Q43.0 |
| Omphalorrhagia, newborn | P51.9 |
| Omsk hemorrhagic fever | A98.1 |
| Onanism (excessive) | F98.8 |
| Onchocerciasis, onchocercosis | B73.1 |
| Onchocerciasis, onchocercosis, eye NEC | B73.00 |
| Onchocerciasis, onchocercosis, eyelid | B73.09 |
| Onchocerciasis, onchocercosis, with, eye disease | B73.00 |
| Onchocerciasis, onchocercosis, with, eye disease, endophthalmitis | B73.01 |
| Onchocerciasis, onchocercosis, with, eye disease, eyelid | B73.09 |
| Onchocerciasis, onchocercosis, with, eye disease, glaucoma | B73.02 |
| Onchocerciasis, onchocercosis, with, eye disease, specified NEC | 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 |
| Onychauxis, congenital | Q84.5 |
| Onychia — see also Cellulitis, digit | — |
| Onychia, candidal | B37.2 |
| Onychia, dermatophytic | B35.1 |
| Onychia, with lymphangitis — see Lymphangitis, acute, digit | — |
| Onychitis — see also Cellulitis, digit | — |
| Onychitis, with lymphangitis — see Lymphangitis, acute, digit | — |
| Onycho-osteodysplasia | Q87.2 |
| Onychocryptosis | L60.0 |
| Onychodystrophy | L60.3 |
| Onychodystrophy, congenital | Q84.6 |
| Onychogryphosis, onychogryposis | L60.2 |
| Onycholysis | L60.1 |
| Onychomadesis | L60.8 |
| Onychomalacia | L60.3 |
| Onychomycosis (finger) (toe) | B35.1 |
| Onychophagia | F98.8 |
| Onychophosis | L60.8 |
| Onychoptosis | L60.8 |
| Onychorrhexis | L60.3 |
| Onychorrhexis, congenital | Q84.6 |
| Onychoschizia | L60.3 |
| Onyxis (finger) (toe) | L60.0 |
| Onyxitis — see also Cellulitis, digit | — |
| Onyxitis, with lymphangitis — see Lymphangitis, acute, digit | — |
| Oophoritis (cystic) (infectional) (interstitial) | N70.92 |
| Oophoritis (cystic) (infectional) (interstitial), acute | N70.02 |
| Oophoritis (cystic) (infectional) (interstitial), acute, with salpingitis | N70.03 |
| Oophoritis (cystic) (infectional) (interstitial), chronic | N70.12 |
| Oophoritis (cystic) (infectional) (interstitial), chronic, with salpingitis | N70.13 |
| Oophoritis (cystic) (infectional) (interstitial), complicating abortion — see Abortion, by type, complicated by, oophoritis | — |
| Oophoritis (cystic) (infectional) (interstitial), with salpingitis | N70.93 |
| Oophorocele | — |
| Opacity, opacities, cornea | — |
| Opacity, opacities, cornea, central | — |
| Opacity, opacities, cornea, congenital | Q13.3 |
| Opacity, opacities, cornea, degenerative — see Degeneration, cornea | — |
| Opacity, opacities, cornea, hereditary — see Dystrophy, cornea | — |
| Opacity, opacities, cornea, inflammatory — see Keratitis | — |
| Opacity, opacities, cornea, minor | — |
| Opacity, opacities, cornea, peripheral | — |
| Opacity, opacities, cornea, sequelae of trachoma (healed) | B94.0 |
| Opacity, opacities, cornea, specified NEC | H17.89 |
| Opacity, opacities, enamel (teeth) (fluoride) (nonfluoride) | K00.3 |
| Opacity, opacities, lens — see Cataract | — |
| Opacity, opacities, snowball — see Deposit, crystalline | — |
| Opacity, opacities, vitreous NEC (humor) | — |
| Opacity, opacities, vitreous NEC (humor), congenital | Q14.0 |
| Opacity, opacities, vitreous NEC (humor), membranes and strands | — |
| Opalescent dentin (hereditary) | K00.5 |
| Open, opening, abnormal, organ or site, congenital — see Imperfect, closure | — |
| Open, opening, angle with, borderline, findings, high risk | — |
| Open, opening, angle with, borderline, findings, low risk | — |
| Open, opening, angle with, borderline, intraocular pressure | — |
| Open, opening, angle with, cupping of discs | — |
| Open, opening, angle with, glaucoma (primary) — see Glaucoma, open angle | — |
| Open, opening, bite, anterior | M26.220 |
| Open, opening, bite, posterior | M26.221 |
| Open, opening, margin on tooth restoration | K08.51 |
| Open, opening, restoration margins of tooth | K08.51 |
| Open, opening, wound — see Wound, open | — |
| Operational fatigue | F48.8 |
| Operative — see condition | — |
| Operculitis — see Periodontitis | — |
| Operculum — see Break, retina | — |
| Ophiasis | L63.2 |
| Ophthalmia | H10.9 |
| Ophthalmia, actinic rays — see Photokeratitis | — |
| Ophthalmia, allergic (acute) — see Conjunctivitis, acute, atopic | — |
| Ophthalmia, blennorrhagic (gonococcal) (neonatorum) | A54.31 |
| Ophthalmia, diphtheritic | A36.86 |
| Ophthalmia, Egyptian | A71.1 |
| Ophthalmia, electrica — see Photokeratitis | — |
| Ophthalmia, gonococcal (neonatorum) | A54.31 |
| Ophthalmia, metastatic — see Endophthalmitis, purulent | — |
| Ophthalmia, migraine — see Migraine, ophthalmoplegic | — |
| Ophthalmia, neonatorum, newborn | P39.1 |
| Ophthalmia, neonatorum, newborn, gonococcal | A54.31 |
| Ophthalmia, nodosa | — |
| Ophthalmia, purulent — see Conjunctivitis, acute, mucopurulent | — |
| Ophthalmia, spring — see Conjunctivitis, acute, atopic | — |
| Ophthalmia, sympathetic — see Uveitis, sympathetic | — |
| Ophthalmitis — see Ophthalmia | — |
| Ophthalmocele (congenital) | Q15.8 |
| Ophthalmoneuromyelitis | G36.0 |
| Ophthalmopathy, Graves' | — |
| Ophthalmoplegia — see also Strabismus, paralytic | — |
| Ophthalmoplegia, anterior internuclear — see Ophthalmoplegia, internuclear | — |
| Ophthalmoplegia, ataxia-areflexia | G61.0 |
| Ophthalmoplegia, diabetic — see E08-E13 with .39 | — |
| Ophthalmoplegia, exophthalmic | E05.00 |
| Ophthalmoplegia, exophthalmic, with thyroid storm | E05.01 |
| Ophthalmoplegia, external | — |
| Ophthalmoplegia, external, progressive | — |
| Ophthalmoplegia, external, progressive, with pigmentary retinopathy — see Kearns-Sayre syndrome | — |
| Ophthalmoplegia, external, total | — |
| Ophthalmoplegia, internal (complete) (total) | — |
| Ophthalmoplegia, internuclear | — |
| Ophthalmoplegia, migraine — see Migraine, ophthalmoplegic | — |
| Ophthalmoplegia, Parinaud's | — |
| Ophthalmoplegia, progressive external — see Ophthalmoplegia, external, progressive | — |
| Ophthalmoplegia, supranuclear, progressive | G23.1 |
| Ophthalmoplegia, total (external) — see Ophthalmoplegia, external, total | — |
| Opioid (s), abuse — see Abuse, drug, opioids | — |
| Opioid (s), dependence — see Dependence, drug, opioids | — |
| Opioid (s), induced, without use disorder, anxiety disorder | F11.288 |
| Opioid (s), induced, without use disorder, delirium | F11.921 |
| Opioid (s), induced, without use disorder, depressive disorder | F11.24 |
| Opioid (s), induced, without use disorder, sexual dysfunction | F11.281 |
| Opioid (s), induced, without use disorder, sleep disorder | F11.982 |
| Opisthognathism | M26.09 |
| Opisthorchiasis (felineus) (viverrini) | B66.0 |
| Opitz' disease | D73.2 |
| Opiumism — see Dependence, drug, opioid | — |
| Oppenheim-Urbach disease (necrobiosis lipoidica diabeticorum) — see E08-E13 with .620 | — |
| Oppenheim's disease | G70.2 |
| Opportunistic salpingectomy | Z40.82 |
| Optic nerve — see condition | — |
| Orbit — see condition | — |
| Orbitopathy (Graves') (thyroid) | — |
| Orchioblastoma | — |
| Orchitis (gangrenous) (nonspecific) (septic) (suppurative) | N45.2 |
| Orchitis (gangrenous) (nonspecific) (septic) (suppurative), blennorrhagic (gonococcal) (acute) (chronic) | A54.23 |
| Orchitis (gangrenous) (nonspecific) (septic) (suppurative), chlamydial | A56.19 |
| Orchitis (gangrenous) (nonspecific) (septic) (suppurative), filarial | B74.9 |
| Orchitis (gangrenous) (nonspecific) (septic) (suppurative), gonococcal (acute) (chronic) | A54.23 |
| Orchitis (gangrenous) (nonspecific) (septic) (suppurative), mumps | B26.0 |
| Orchitis (gangrenous) (nonspecific) (septic) (suppurative), syphilitic | A52.76 |
| Orchitis (gangrenous) (nonspecific) (septic) (suppurative), tuberculous | A18.15 |
| Orf (virus disease) | B08.02 |
| Organic — see also condition | — |
| Organic, brain syndrome | F09 |
| Organic, heart — see Disease, heart | — |
| Organic, mental disorder | F09 |
| Organic, psychosis | F09 |
| Orgasm, anejaculatory | N53.13 |
| Oriental, bilharziasis | B65.2 |
| Oriental, schistosomiasis | B65.2 |
| Orifice — see condition | — |
| Origin of both great vessels from right ventricle | Q20.1 |
| Ormond's disease (with ureteral obstruction) | N13.5 |
| Ormond's disease (with ureteral obstruction), with infection | N13.6 |
| Ornithine metabolism disorder | E72.4 |
| Ornithinemia (Type I) (Type II) | E72.4 |
| Ornithosis | A70 |
| Orotaciduria, oroticaciduria (congenital) (hereditary) (pyrimidine deficiency) | E79.89 |
| Orotaciduria, oroticaciduria (congenital) (hereditary) (pyrimidine deficiency), anemia | D53.0 |
| Orthodontics, adjustment | Z46.4 |
| Orthodontics, fitting | Z46.4 |
| Orthopnea | R06.01 |
| Orthopoxvirus | B08.09 |
| Os, uterus — see condition | — |
| Osgood-Schlatter disease or osteochondrosis | — |
| Osler-Rendu disease (-Weber) | I78.0 |
| Osler's nodes | I33.0 |
| Osmidrosis | L75.0 |
| Osseous — see condition | — |
| Ossification, artery — see Arteriosclerosis | — |
| Ossification, auricle (ear) — see Disorder, pinna, specified type NEC | — |
| Ossification, bronchial | J98.09 |
| Ossification, cardiac — see Degeneration, myocardial | — |
| Ossification, cartilage (senile) — see Disorder, cartilage, specified type NEC | — |
| Ossification, coronary (artery) — see Disease, heart, ischemic, atherosclerotic | — |
| Ossification, diaphragm | J98.6 |
| Ossification, ear, middle — see Otosclerosis | — |
| Ossification, falx cerebri | G96.198 |
| Ossification, fontanel, premature | Q75.009 |
| Ossification, heart — see also Degeneration, myocardial | — |
| Ossification, heart, valve — see Endocarditis | — |
| Ossification, larynx | J38.7 |
| Ossification, ligament — see Disorder, tendon, specified type NEC | — |
| Ossification, ligament, posterior longitudinal — see Spondylopathy, specified NEC | — |
| Ossification, meninges (cerebral) (spinal) | G96.198 |
| Ossification, multiple, eccentric centers — see Disorder, bone, development or growth | — |
| Ossification, muscle — see also Calcification, muscle | — |
| Ossification, muscle, due to burns — see Myositis, ossificans, in, burns | — |