AA - Alcoholics Anonymous
AAALAC - American Association for Accreditation of Laboratory Animal Care
AACCN - American Academy of Critical Care Nurses
AAD - American Association of Dermatology
AADGP - American Academy of Dental Group Practice
AAFP - American Academy of Family Physicians
AAIN - American Academy of Industrial Nurses
AAN - American Academy of Nursing
AAO - American Academy of Ophthalmology
AAO - American Academy of Optometry
AAOS - American Academy of Orthopaedic Surgeons
AAP - American Academy of Pediatrics
AAPHP - American Association of Public Health Physicians
ABEM - American Boarded in Emergency Medicine
ABMS - American Boarded in Medical Specialties
ACCP - American College of Chest Physicians
ACD - Advisory Committee to the Director
ACEP - American College of Emergency Physicians
ACGME - Accreditation Council for Graduate Medical Education
ACOG - American College of Obstetics and Gynecology
ACP - American College of Physicians
ACPM - American College of Preventive Medicine
ACR - American College of Radiologists
ACS - American Cancer Society
ACS - American College of Surgeons
ACSI - American Customer Satisfaction Index
ACWA - Administrative Careers with America
AD&D - Accidental Death and Dismemberment
ADA - American Dental Association
ADA - American Diabetes Association
ADP - Automated Data Processing
AFGE - American Federation of Government Employees
AGD - Academy of General Dentistry
AHA - American Heart Association
AI/ANO - American Indian/Alaskan Native Organization
AID - Agency for International Development
AIRIO - Agency Intramural Research Integrity Officer
AL - Annual Leave
AMA - American Medical Association
AMA - Australian Medical Association
AMHPS - Association of Minority Health Professionals Schools
ANF - Australian Nursing Federation
AO - Administrative Office/Officer
AOA - American Optometric Association
AOA - Australian Orthopaedic Association
APA - American Psychiatric Association
APAO - Asian Pacific Islander American Organization
APGAR - American Pediatric Gross Assessment Record
APHA - American Public Health Association
ARA - American Rheumatological Association
ARAC - Administrative Restructuring Advisory Committee
AREA - Academic Research Enhancement Award
ARRT - American Registry of Radiologic Technologists
ASAP - As Soon As Possible
ASBTF - Assistant Secretary for Budget, Technology and Finance
ASCEPT - Australasian Society of Clinical & Experimental Pharmacologists and Toxicologists
ASCP - American Society for Clinical Pathology
ASCP - American Society of Consultant Pharmacists
ASDC - Administrative Skills Development Curriculum
ASH - Assistant Secretary for Health, PHS
ASHA - American Speech-Language-Hearing Association
ASMI - Australian Self-Medication Industry
ASMSO - American Society of Medication Safety Officers
ASPER - Assistant Secretary for Personnel Administration, DHHS
ASPH - Association of Schools of Public Health
ASPS - American Society of Plastic Surgeons
ASRT - American Society of Radiologic Technologists
ASSH - American Society for Surgery of the Hand
ASTHO - Association of State and Territorial Health Officials
ATM - Above The Minimum
ATPM - Association of Teachers and Preventive Medicine
ATSDR - Agency for Toxic Substances and Disease Registry, PHS
AWOL - Absence Without Official Leave
AWS - Alternate Work Schedule