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Dictionary of Medical Acronyms & Abbreviations
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[ O ]
- ODBC open database connectivity
- ODC oritidine decarboxylase; ornithine decarboxylase; oxygen dissociation curve
- Odc ornithine decarboxylase
- ODCP ornithine decarboxylase pseudogene
- ODD oculodentodigital [dysplasia]; oppositional defiant disorder; osteodental dysplasia
- OD'd overdosed [drug]
- ODE Office of Device Evaluation [of FDA]; ordinary differential equation
- ODED oculo-digito-esophago-duodenal [syndrome]
- ODES Oslo Diet and Exercise Study
- ODFR oxygen-derived free radical
- ODIF office document interchange format
- ODISY Online Deaconess Information System
- ODM ophthalmodynamometer, ophthalmodynamometry
- ODN oligodeoxyribonucleotide
- ODOD oculo-dento-osseous dysplasia
- Odont odontogenic
- ODP offspring of diabetic parents; open distributed processing; right occipitoposterior [fetal position, Lat. occipito-dextra posterior]
- ODPHP Office of Disease Prevention and Health Promotion
- ODQ on direct questioning
- ODRV Odrenisrou virus
- ODS organized delivery system; original dataset; osmotic demyelination syndrome
- ODSG ophthalmic Doppler sonogram
- ODT oculodynamic tract; right occipitotransverse [fetal position, Lat. occipito-dextra transversa]
- ODTS organic dust toxic syndrome
- ODU optical density unit
- OE on examination; organization engine [database]; orthopedic examination; otitis externa; out-stationed enrollment
- O/E observed/expected [ratio]
- O&E observation and examination
- Oe oersted
- OEE osmotic erythrocyte enrichment; outer enamel epithelium
- OEF oil immersion field; oxygen extraction fraction
- O2EI oxygen extraction index
- OEIS omphalocele, exstrophy, imperforate anus, spinal defects [complex]
- OEL occupational exposure limit
- OELM optimal external laryngeal manipulation
- OEM object exchange model; opposite ear masked; original electronic manufacturer
- OEP operational effectiveness program
- OEPA Onchocerciasis Elimination Program for the Americas
- OER osmotic erythrocyte [enrichment]; oxygen enhancement ratio
- O2ER oxygen extraction ratio
- OERP Office of Education and Regional Programming
- OERR order entry and results reporting
- OE/RR online physician's order entry and results reporting
- OES oral esophageal stethoscope; optical emission spectroscopy
- oesoph esophagus [oesophagus]
- OET oral endotracheal tube; oral esophageal tube
- O2Ext oxygen extraction
- OF occipitofrontal; opacity factor; open field [test]; optical fundus; orbital fracture; orbitofrontal; osmotic fragility; osteitis fibrosa; output factor; oxidation-fermentation
- O/F oxidation-fermentation
- OFA oncofetal antigen
- OFAGE orthogonal field alternation gel electrophoresis
- OFBM oxidation-fermentation basal medium
- OFC occipitofrontal circumference; optical flow constraint [equation]; orbitofacial cleft; osteitis fibrosa cystica
- OFCTAD occipito-facio-cervico-thoraco-abdomino-digital dysplasia
- OFD object-film distance; occipital frontal diameter; oro-facial-digital [syndrome]
- ofd object-film distance
- Off official
- OFHA occipitofrontal headache
- OFI open and flexible learning
- OFM orofacial malformation
- OFNE oxygenated fluorocarbon emulsion [delivery system]
- OFS optical file system
- OFTT organic failure to thrive
- OFUN organism function [UMLS]
- OG obstetrics and gynecology; occlusogingival; 1-O-octyl-beta-D-glucopyranoside; oligodendrocyte; optic ganglion; orange green; orogastric; [protective] overgarment
- O&G obstetrics and gynecology
- OGC oculogyric crisis
- OGD [o]esophago-gastro-duodenoscopy
- OGDH oxoglutarate dehydrogenase
- OGF ovarian growth factor; oxygen gain factor
- OGH ovine growth hormone
- OGI oxygen-glucose index
- OGJ [o]esophagogastric junction
- OGS oxygenic steroid
- OGTT oral glucose tolerance test
- OGZN organization [UMLS]
- OH hydroxycorticosteroid; obstructive hypopnea; occipital horn; occupational health; occupational history; oligomer hybridization; open heart [surgery]; orthostatic hypotension; osteopathic hospital; out of hospital; outpatient hospital
- 17-OH 17-hydroxycorticosteroid
- OHA oral hypoglycemic agents
- OHAHA ophthalmoplegia-hypotonia-ataxia-hypacusis-athetosis [syndrome]
- OHB12 hydroxycobalamin
- O2Hb oxyhemoglobin
- OHC occupational health center; outer hair cell; Oxford Haemophilia Centre
- 5-OHC 5-hydroxycysteine
- OHCA out-of-hospital cardiac arrest
- OH-Cbl hydroxycobalamin
- OHCC hydroxycalciferol; out-of-home child care
- OHCOB hydroxycobalamin
- OHCS hydroxycorticosteroid
- OHD hydroxylase deficiency; hydroxyvitamin D; Office of Human Development; Ondine-Hirschsprung disease; organic heart disease
- 1,25(OH)2D3 1,25-dihydroxyvitamin D3 [calcium transport]
- 25-OH-D 25-hydroxyvitamin D
- OHDA hydroxydopamine
- 8-OH-dG 8-hydroxy-2´-deoxyguanosine
- 16-OH-DHAS 16-alpha-hydroxydehydroepiandrosterone sulfate
- 8-OH-DPAT 8-hydroxy-2-(di-n-propylamino)tetralin
- OHDS Office of Human Development Services
- OHE other hospital employee
- OHF Omsk hemorrhagic fever
- OHFA hydroxy fatty acid
- OHFT overhead frame trapeze
- OHFV Omsk hemorrhagic fever virus
- OHI Occupational Health Institute; operative hypertension indicator; oral hygiene index; Oral Hygiene Instruction
- OHIAA hydroxyindoleacetic acid
- OHIPD Office of Health Information Programs Development
- OHI-S Oral Hygiene Instruction-Simplified
- OHL oral hairy leukoplakia
- OHMO Office of Health Maintenance Organizations
- OHN occupational health nurse; optical nerve head
- OHP hydroxyprogesterone; hydroxyproline; occupational health plan; Oregon Health Plan; oxygen under high pressure
- 17-OHP 17-hydroxyprogesterone
- OHPCC Office of High Performance Computing and Communications
- OHR occupational health research; Office of Health Research
- OHS obesity hypoventilation syndrome; occipital Horn syndrome; occupational health and safety; occupational health service; ocular histoplasmosis syndrome; open heart surgery; Oslo Hypertension Study; ovarian hyperstimulation syndrome
- OHSD hydroxysteroid dehydrogenase
- OHSR Office of Human Subject Research [NIH]
- OHSS ovarian hyperstimulation syndrome
- OHT ocular hypertension; orthotopic heart transplantation; Oslo Heart Trial
- OHTA Office of Health Technology Assessment
- 5-OHU 5-hydroxyuracil
- OI obturator internus; occasional insomnia; opportunistic infection; opsonic index; orgasmic impairment; orientation inventory; orthoiodohippurate; osteogenesis imperfecta; ouabain insensitivity; oxygen intake
- O-I outer and inner
- OIC organized indigenous caregiving; osteogenesis imperfecta congenita
- OID object identifier; optimal immunomodulating dose; Organism Identification Number; oxygen insufflation device
- OIF observed intrinsic frequency; oil immersion field; open internal fixation; Osteogenesis Imperfecta Foundation
- OIG Office of the Inspector General
- OIH Office of International Health; orthoiodohippurate; ovulation-inducing hormone
- OILD occupational immunologic lung disease
- oint ointment
- OIP organizing interstitial pneumonia
- OIR Office of Information Resources; Office of International Research
- OIS object information system; organ injury scale; Oslo Ischemia Study; outpatient information system
- OIT organic integrity test
- OITAV Oita virus
- OJ orange juice
- OKC odontogenic keratocyst
- OKHV Okhotskiy virus
- OKN optokinetic nystagmus
- OKOV Okola virus
- OKR optokinetic response; Ottawa knee rules
- OKS optokinetic stimulus
- OKT ornithine ketoacid amino-transferase