| A&A | Anesthesia & Analgesia | In English | → Anesthesiology |
| AA | Anesthesiologist Assistant | In English | → Anesthesiology |
| AAA | Anesthesia Administration Assembly | In English | → Anesthesiology |
| AAA | Age Anaesthesia Association | In English | → Associations → Anesthesiology |
| AAAA | American Academy of Anesthesiologist Assistants | In English | → Academies → Anesthesiology |
| AAAASF | American Association for Accreditation of Ambulatory Surgery Facilities | In English | → Associations |
| AAAD | Asian Academy of Aesthetic Dentistry | In English | → Academies → Dentistry → Plastic surgery |
| AAAM | Association for the Advancement of Automotive Medicine | In English | → Associations |
| AACD | American Academy of Cosmetic Dentistry | In English | → Academies → Dentistry → Plastic surgery |
| AACN | American Association of Critical-Care Nurses | In English | → Associations → Traumatology |
| AACS | American Academy of Cosmetic Surgery | In English | → Academies → Plastic surgery |
| AADE | American Association of Dental Editors | In English | → Associations → Dentistry |
| AADE | American Association of Dental Examiners | In English | → Associations → Dentistry |
| AADGP | American Academy of Dental Group Practice | In English | → Academies → Dentistry |
| AADH | American Academy of Dental Hygiene | In English | → Academies → Personal health and hygiene → Dentistry |
| AADPA | American Academy of Dental Practice Administration | In English | → Academies → Dentistry |
| AADR | American Association for Dental Research | In English | → Organizations and associations → Dentistry |
| AADS | American Association of Dental Schools | In English | → Organizations and associations → Dentistry |
| AADSAS | Associated American Dental Schools Application Service | In English | → Organizations and associations → Dentistry |
| AADW | American Association of Dental Webmasters | In English | → Internet → Associations → Dentistry |
| AAE | American Association of Endodontists | In English | → Organizations and associations → Dentistry |
| AAEBO | Association des Anciens Élèves de Bloc Opératoire | In English | → Organizations and associations |
| AAED | American Academy of Esthetic Dentistry | In English | → Academies → Dentistry → Plastic surgery |
| AAEM | American Academy of Emergency Medicine | In English | → Academies → Traumatology |
| AAETS | American Academy of Experts in Traumatic Stress | In English | → Academies → Traumatology |
| AAFO | American Association for Functional Orthodontics | In English | → Organizations and associations → Dentistry |
| AAFP | American Academy of Fixed Prosthodontics | In English | → Academies → Dentistry |
| AAFPRS | American Academy of Facial Plastic and Reconstructive Surgery | In English | → Academies → Plastic surgery |
| AAFS | Academy of Ambulatory Foot Surgery | In English | → Academies |
| AAGBI | Association of Anaesthetists of Great Britain and Ireland | In English | → Associations → 61789 |
| AAGO | American Academy of Gnathologic Orthopedics | In English | → Academies |
| AAGS | Alberta Association of General Surgeons | In English | → Associations |
| AAHD | American Association of Hospital Dentists | In English | → Associations → Dentistry |
| AAHKS | American Association of Hip and Knee Surgeons | In English | → Associations |
| AAHS | American Association for Hand Surgery | In English | → Associations |
| AAID | American Academy of Implant Dentistry | In English | → Academies → Dentistry |
| AAIP | American Academy of Implant Prosthodontics | In English | → Academies → Dentistry |
| AAMP | American Academy of Maxillofacial Prosthetics | In English | → Academies → Dentistry → Plastic surgery |
| AANA | American Association of Nurse Anesthetists | In English | → Associations → Anesthesiology |
| AANOS | American Academy of Neurological and Orthopaedic Surgeons | In English | → Academies |
| AANS | American Association of Neurological Surgeons | In English | → Associations → Neurology |
| AAO | American Association of Orthodontists | In English | → Associations → Dentistry |
| AAO | American Academy of Ophthalmology | In English | → Academies → Ophtalmology |
| AAO | American Academy of Optometry | In English | → Academies → Ophtalmology |
| AAO | Alberta Association of Optometrists | In English | → Associations → Ophtalmology |
| AAO-HNS | American Academy of Otolaryngology - Head and Neck Surgery | In English | → Academies |
| AAOF | American Association of Orthodontists Foundation | In English | → Foundations → Dentistry |
| AAOMS | American Association of Oral & Maxillofacial Surgeons | In English | → Associations |
| AAOP | American Academy of Orthotists and Prosthetists | In English | → Academies |
| AAOPAC | American Association of Orthodontists Political Action Committee | In English | → Associations → Politics |
| AAOS | American Academy of Orthopaedic Surgeons | In English | → Academies |
| AAOT | Asociación Argentina de Ortopedia y Traumatología | In Spanish | → Associations |
| AAP | American Academy of Periodontology | In English | → Academies → Dentistry |
| AAPD | Asian Academy of Preventive Dentistry | In English | → Academies → Personal health and hygiene → Dentistry |
| AAPD | American Academy of Pediatric Dentistry | In English | → Academies → Dentistry → Pediatry |
| AAPDF | American Academy of Pediatric Dentistry Foundation | In English | → Academies → Dentistry → Pediatry |
| AAPHD | American Association of Public Health Dentistry | In English | → Associations → Dentistry |
| AAPOS | American Association for Pediatric Ophthalmology and Strabismus | In English | → Associations → Ophtalmology → Pediatry |
| AARD | American Academy of Restorative Dentistry | In English | → Academies → Dentistry |
| AAS | Australian Association of Surgeons | In English | → Associations |
| AAS | Association for Academic Surgery | In English | → Associations |
| AASCIN | American Association of Spinal Cord Injury Nurses | In English | → Associations → 61425 → Traumatology |
| AASCIPSW | American Association of Spinal Cord Injury Psychologists and Social Workers | In English | → Associations → Neurology → Traumatology |
| AAST | American Association for the Surgery of Trauma | In English | → Associations → Traumatology |
| AATS | American Association for Thoracic Surgery | In English | → Associations → Chest diseases |
| AAWD | American Association of Women Dentists | In English | → Associations → Dentistry |
| AAWM | American Academy of Wound Management | In English | → Academies → Traumatology → 6138 |
| ABA | American Board of Anesthesiology | In English | → Associations → Anesthesiology |
| ABC | American Board for Certification in Orthotics and Prosthetics | In English | → Organizations and associations |
| ABCPD | Alliance for Best Clinical Practices in Dentistry | In English | → Organizations and associations → Dentistry |
| ABCRS | American Board of Colon and Rectal Surgery | In English | → Organizations and associations |
| ABDPH | American Board of Dental Public Health | In English | → Dentistry |
| ABE | American Board of Endodontics | In English | → Dentistry |
| ABEM | American Board of Emergency Medicine | In English | → Traumatology |
| ABISAR | Association Bisontine des Infirmières Spécialisées en Anesthésie Réanimation | In French | → Associations → Anesthesiology |
| ABJS | Association of Bone and Joint Surgeons | In English | → Associations |
| ABNS | American Board of Neurological Surgery | In English | → Organizations and associations → Neurology → Traumatology |
| ABO | American Board of Ophthalmology | In English | → Organizations and associations → Ophtalmology |
| ABO | American Board of Orthodontics | In English | → Organizations and associations → Dentistry |
| ABPNS | American Board of Pediatric Neurological Surgery | In English | → Organizations and associations → Neurology → Pediatry |
| ABPS | American Board of Plastic Surgery | In English | → Organizations and associations |
| ABS | American Board of Surgery | In English | → Organizations and associations |
| ABTS | American Board of Thoracic Surgery | In English | → Organizations and associations |
| ACGQ | Association des Chirurgiens Généraux du Québec | In French | → Associations |
| ACO | Arbeitsgemeinschaft für Chirurgische Onkologie | In German | → Associations → Oncology |
| AcOdS | Acta Odontologica Scandinavica | In Latin | → Serial publications, periodicals |
| AcOrS | Acta Orthopaedica Scandinavica | In Latin | → Serial publications, periodicals |
| ADA | American Dental Association | In English | → Associations → Dentistry |
| ADARPEF | Association Des Anesthésistes Réanimateurs Pédiatriques d’Expression Française | In French | → Associations → Anesthesiology → Pediatry |
| ADF | Association Dentaire Française | In French | → Associations → Dentistry |
| AFAR | Annales Françaises d'Anesthésie et de Réanimation | In French | → Serial publications, periodicals → Anesthesiology |
| AFME | Association Française des Médecins Esthéticiens | In English | → Associations → Plastic surgery |
| AGAI | Anesthesia and Intensive Care Association | In English | → Associations → Anesthesiology → Traumatology |
| AGN | Arbeitsgemeinschaft für Notfallmedizin | In German | → Associations → Traumatology |
| ALO | Association Luxembourgeoise des Orthophonistes (www.alo.lu) | In French | → Associations |
| ALRF | Anesthésie locorégionale francophone | In French | → Anesthesiology |
| AMD | Altersbedingte Makuladegeneration | In German | → Ophtalmology |
| AMDF | American Macular Degeneration Foundation (www.macular.org) | In English | → Foundations → Ophtalmology |
| AMIC | Arbeitsgemeinschaft für Minimal Invasive Chirurgie | In German | → Associations |
| AOSSM | American Orthopeadic Society of Sports Medicine | In English | → Organizations and associations → Sport, physical exercises |
| AQDM | Association Québécoise de la Dégénérescence Maculaire | In French | → Associations → Ophtalmology |
| ARVO | Association for Research in Vision and Ophthalmology | In English | → Associations → Ophtalmology |
| ASA | American Society of Anesthesiologists | In English | → Organizations and associations → Anesthesiology |
| ASSO | Austrian Society for Surgical Oncology | In English | → Organizations and associations → Oncology |
| BFY | Banque Française des Yeux (www.bfy.asso.fr) | In French | → Associations → Ophtalmology |
| BG | Blessé Grave | In French | → Traumatology |
| BL | Blessé Léger | In French | → Traumatology |
| BÖC | Berufsverband österreichischer Chirurgen | In German | → Organizations and associations |
| CARUM | Club des Anesthésistes Réanimateurs Urgentistes Militaires | In French | → Organizations and associations → Anesthesiology |
| CESO | Centro de Estudios Superiores de Ortodoncia | In Spanish | → Dentistry |
| CFAR | Collège Français des Anesthésistes Réanimateurs | In French | → Organizations and associations → Anesthesiology |
| CHAR | Club d'Histoire de l'Anesthésie-Réanimation | In French | → Anesthesiology → History |
| CHIR | Chirurgie, Informatique et Robotique | In French | → Computer science → Mechanical engineering → Electronics |
| CMDR | Colegiul Medicilor Dentisti din România | In Romanian | → Dentistry |
| CNV | Choroidal Neovascularisation | In English | → Pathology → Ophtalmology |
| CNV | Choroidal Neovascularization | In English | → Pathology → Ophtalmology |
| CRCHM | Centre de Recherches Chirurgicales Henri Mondor | In French | |
| DTH | Delayed-Type Hypersensitivity | In English | → Pathology → Ophtalmology |
| EAFPS | European Academy of Facial Plastic Surgery | In German | → Academies → Plastic surgery |
| EARSS | Early Albumin Resuscitation during Septic Shock | In English | → Pharmacology, toxicology |
| EBMT | European Group for Blood and Marrow Transplantation | In English | → Organizations and associations → Blood and circulatory system |
| ERAS | Enhaced Recovery After Surgery | In English | |
| ESLAS | European Society for Laser Aesthetic Surgery | In English | → Organizations and associations → Plastic surgery |
| ESSKA | European Society for Sports traumtology, Knee surgery and Arthroscopy | In English | → Organizations and associations → Sport, physical exercises |
| EURO-CIU | European Association of Cochlear Implant Users | In English | → Associations |
| FESNCE | Federazione Europea della Società Nazionali di Chirurgia Estetica = FESNCE | Fédération Européenne des Sociétés Nationales de Chirurgie Esthétique | In French |
In Italian | → Organizations and associations → Plastic surgery |
| FESNCE | Fédération Européenne des Sociétés Nationales de Chirurgie Esthétique = (look above) |
In French | → Organizations and associations → Plastic surgery |
| FNOMCeO | Federazione Nazionale degli Ordini dei Medici Chirurghi e degli Odontoiatri | In Italian | → Organizations and associations |
| FSO | Forfait de Salle d'Opération | In French | |
| HAR | Hyperacute rejection | In English | → Immunology and allergy |
| IADE | Infirmièr(e)-Anesthésiste Diplômé(e) d'État | In French | → Anesthesiology |
| ICORD | International Collaboration on Repair Discoveries | In English | → Organizations and associations → Neurology → Traumatology |
| IGOST | Interdisziplinäre Gesellschaft für Orthopädische Schmerztherapie | In German | → Organizations and associations |
| IJOMS | International Journal of Oral and Maxillofacial Surgery | In English | → Serial publications, periodicals |
| IOT | Instituto de Ortopedia e Traumatologia | In Portuguese | |
| JOMS | Journal of Oral and Maxillofacial Surgery | In English | → Serial publications, periodicals |
| JRCSE | Journal of the Royal College of Surgeons of Edinburgh | In English | → Serial publications, periodicals |
| LAB | Laboratoire d'Accidentologie et de Biomécanique | In French | → Research institutes → Traumatology → Transport and postal services |
| MEEI | Massachusetts Eye and Ear Infirmary | In English | → Ophtalmology |
| ÖGARI | Österreichische Gesellschaft für Anaesthesiologie, Reanimation und Intensivmedizin | In German | → Organizations and associations → Traumatology → Anesthesiology |
| OMT | Ortopedisk manuell terapi | In Swedish | |
| PPR | Panphotocoagulation rétinienne | In French | → Ophtalmology |
| RCP | Réanimation cardiopulmonaire | In French | → Traumatology |
| RD | Rétinopathie Diabétique | In French | → Pathology → Ophtalmology |
| RP | Retinitis Pigmentosa | In Latin | → Pathology → Ophtalmology |
| RPE | Retinal Pigment Epithelium | In English | → Anatomy → Ophtalmology |
| RS | Retinoschisis | In English | → Pathology → Ophtalmology |
| RSN | Romanian Society of Neurosurgery (www.rsn.ro) | In English | → Organizations and associations → Neurology |
| SAFER | Stavanger Acute Medicine Foundation for Education and Research | In English | → Foundations → Education → Traumatology |
| SFAR | Société Française d'Anesthésie et de Réanimation | In French | → Organizations and associations → Anesthesiology |
| SG | Surgeon General | In English | |
| SHT | Schädel-Hirn-Trauma | In German | → Traumatology |
| SI | Soins Intensifs | In French | → Traumatology |
| SOFCOT | Société Française de Chirurgie Orthopédique et Traumatologie | In French | → Organizations and associations → Traumatology |
| SOFCOT | SOciété Française de Chirurgie Orthopédique et Traumatologique (www.sofcot.com.fr) | In French | → Organizations and associations |
| SPAO-HNS | Society of Physician Assistants in Otorhinolaryngology / Head & Neck Surgery | In English | → Organizations and associations → Pathology |
| TM | Transplantation Médullaire | In French | |
| VATS | Video-Assisted Thoracic Surgery | In English | → 61741 |