Abbreviation Definition
10-10 EZ VA Form 10-10 EZ Application for Health Benefits
1010EZ VA Form 10-10 EZ Application for Health Benefits
10N Washington DC VACO
1U4N 1st letter last name + last 4 of SSN
2FA 2-Factor Authentication
3DES Triple Data Encryption Algorithm Standard
3GL 3rd Generation Language
3PAO Third Party Assessment Organization
3R Recruitment, Retention and Relocation Allowances
4WW Four Wheeled Walker
776 VHA CIO Administration System
A&A LETTER Aid & Attendance Letter
AAA Abdominal Aortic Aneurysm
AAA Area Agencies on Aging
AAA Authentication, Authorization & Access
A&A Advisory & Assistance
A&A Aid and Attendance
AAALAC American Association for Accreditation of Laboratory Animal Care
AAAPS Automatic Appraiser Assignment Processing Center
AaaS API as a Service
A&A Assessment and Accreditation
A&A Assessment and Authorization
AA Attorney-Adviser
AA Authorized Absence
AABB American Association of Blood Banks
AAC Austin Automation Center (3/08 See AITC)
AACS Automated Allocation & Control System
AADF Activation Advance Development Fund
AAFES Army and Air Force Exchange Service
AAFP American Academy of Family Physicians
AAGP American Association of Geriatric Psychiatry
AAH Academy on Architecture for Health
AAH Account Activity History
AAHRPP Association for the Accreditation of Human Research Protection Programs
AAIP Authorization and Authentication Infrastructure Program
AAMC Association of American Medical Colleges
AAMI Association for the Advancement of Medical Instrumentation
AAMS Automated Acquisition Management System
AAR After Action Report
AARP Association for the Advancement of Retired Persons
AASLD American Academy for the Study of Liver Disease
AB Antibiotic
ABC Activity Based Costing
ABD Abdomen
ABEND Abnormal End
ABG Arterial Blood Gas
ABI Analytics and Business Intelligence
ABO Absent Bed Occupant
ABOI Administrative Board of Investigation (ABOI)
ABR Annual Benefits Report
ABX Antibiotics
ACA Advanced Clinic Access
ACA Affordable Care Act
AC Acceleration Clause
AC Acceptance Criteria
AC Actual Cost
AC Ambulatory Care
AC Antecubital
ACAP Access and Clinic Administration Program
ACAS Assurance Compliance Assessment Solution
AC Associate Chief of Staff
ACBE Air Contrast Barium Enema
ACC Accounting Classification Code
ACC Ambulatory Care Center
ACCME Accreditation Council for Continuing Medical Education
ACD Automated Call Distributor
ACD Automatic Case Distribution
ACDF Anterior cervical discectomy and fusion
ACE Acceptable Clinical Evidence
ACE Accountable Customer Experience
ACE Adaptive Cloud Environment
ACEC American Consulting Engineers Council
ACEP American College of Emergency Physicians
ACES Access Certificates for Electronic Services
ACES Attendance and Cost Estimation System
ACG Ambulatory Care Group
ACGME Accreditation Council for Graduate Medical Education
ACH Automated Clearing House
ACHE American College of Health Executives
ACHP Advisory Council on Historic Preservation
ACHS Before Meals And At Bedtime (ante cibum, hora somni)
ACI Accelerated Care Initiative or Accelerating Care Initiative
ACI American Concrete Institute
ACIO Associate Chief Information Officer
ACL Access Control List
ACL Audit Command Language
ACLS Advanced Cardiac Life Support
ACM Audit Compliance Module
ACMD Assistant Chief Medical Director
ACMIS Acquisition Career Management Information System
ACNS Associate Chief Nursing Service
ACOA Adult Children of Alcoholics
ACO Administrative Contracting Officer
ACOE Accreditation Council on Optometric Education
ACOE Agile Center of Excellence
ACOM Associate Chief of Medicine
ACOS American College of Surgeons
ACOS Associate Chief of Staff
ACOS/E Associate Chief of Staff for Education
ACOS/EC Associate Chief of Staff for Extended Care
ACOVE Assessing Care Of Vulnerable Elders
ACP American College of Physicians
ACPE American Council for Pharmaceutical Education
ACR American College of Radiology
ACRB Architectural Change and Review Board
ACRE A measure of land 43,560 sq. ft.
ACRE Artifact Central Repository
ACRP Ambulatory Care Reporting Program
ACRS Accelerated Cost Recovery System
ACS Access Services
ACS Acute Coronary Syndrome
ACT Acceptance and Commitment Therapy
ACTS AHRQ evidence-based Care Transformation Support
ACWP Actual Cost for Work Performed
ADAAA Americans with Disabilities Act Amendment Act
ADAAG Americans with Disabilities Act Accessibility Guidelines
ADA American Diabetes Association
ADA Antideficiency Act
ADA Associate Deputy Administrator
AD Active Directory
ADAD After Date of Award Document
AD Advanced Directive
A/D Alcohol and Drug
ADAPT Ambulatory Detoxification and Preparation for Treatment
ADAS Associate Deputy Assistant Secretary
AD Assistant Director
ADC Active Dual Consumer
ADC Alzheimer's Disease Center
ADC Application Development Competency
ADC Average Daily Census
ADC Average Days to Complete
ADCC Alzheimer's Disease Core Center
ADCIO Assistant Deputy Chief Information Officer
ADCMD Associate Deputy Chief Medical Director
ADDM Atrium Discovery & Dependency Mapping
ADDP Assistant Director Development Program
ADE Adverse Drug Event
ADERS Adverse Drug Event Reporting System
ADF Azure Data Factory
ADFS Active Directory Federated Services
ADHC Adult Day Health Care
ADHF Acute decompensated heart failure
ADI Awaiting Development initiation
ADL Activities of Daily Living
ADL Automated Decision Letter
ADLS Azure Data Lake Storage
ADM Acquisition Decision Memorandum
ADPAC Automated Data Processing Application Coordinator
ADP Automatic Data Processing
ADP Average Days Pending
ADPSO Automated Data Processing Security Officer
ADRADA Alzheimer's Disease and Related Disorders Association
ADR Additional Development Review
ADR Administrative Data Repository
ADR Adverse Drug Event
ADR Adverse Drug Reaction
ADR Alternative Dispute Resolution
ADR Average Daily Rate
ADS Authoritative Data Source
ADS Average Daily Salary
ADSM Active Duty Service Member
ADT Admission/Discharge/Transfer
ADT Automated Data Transfer
ADT/R Admissions, Discharge, Transfer/Registration
ADUSH VHA Assistant Deputy Under Secretary for Health (ADUSH)
AE Application Entity
A/E Architect/Engineer
AECGIS Automated Electrocardiographic Interpretive Systems
AECO A/E Change Order
AED Anti-Epileptic Drug
AED Automated External Defibrillator
AEIC Advanced Earned Income Credit
AEM Area Emergency Manager
AEMAS Affirmative Employment Monitoring and Analysis System
AEMS/MERS Automated Engineering Management System/Medical Equipment Reporting
AEPS Affiliated Education Programs Service
AERB Architecture Engineering Review Board
AES Advanced Encryption Standard
AES Aeromedical Evacuation Squadron
AES All Employee Survey
AES American Epilepsy Society
AEU Affected End User
AEW Audit Error Worksheet
AFB Allocated Functional Baseline
AFC Austin Finance Center
AFCEA Armed Forces Communications and Electronics Association
AFEB Armed Forces Epidemiological Board
AFGE American Federation of Government Employees
AFGE-NVAC American Federation of Government Employees-National Veterans Affairs Council
AFHCAN Alaska Federal Health Care Access Network
AFHCP Alaska Federal Healthcare Partnership
AFHRA Air Force Historical Research Agency
AFIB Atrial Fibrillation
AFIP Armed Forces Institute of Pathology
AFMA Automated Fabrication of Mobility Acts
AFNOC Air Force Network Operation Center
AFO Ankle-Foot Orthosis
AFPS Automated Folder Processing System
AFRRI Armed Forces Radiobiology Research Institute
AF/SG Air Force Surgeon General
AFSN Air Force Systems Network
AFVSS Afebrile, vital signs stable
AGC Associated General Contractors of America
AGE Acute Gastroenteritis
AGI Adjusted Gross Income
AGO Agent Orange
AGS Adjacent Gravesite Set-Aside
AHA American Hospital Association
A/H Auditory Hallucinations
AHCPR Agency for Health Care Policy & Research (see AHRQ)
AHE Associated Health Education
AHERA Asbestos Hazard Emergency Response Act
AHHA American Holistic Health Association
AHIC American Health Information Community (Now NeHC)
AHIMA American Health Information Management Association
AHIP America's Health Insurance Plans
AHIS Automated Hospital Information System
AHJ Authority Having Jurisdiction
AHL Alternate Hearing Location
AHLTA Armed Forces Health Longitudinal Technology Application
AHPA American Health Planning Association
AHRQ Agency for Healthcare Research and Quality (formerly AHCPR)
AHSE American Society for Health Care Engineering
AHTLA AHLTA - Armed Forces Health Longitudinal Technology
AH/VH Auditory Hallucinations/Visual Hallucinations
AIA American Institute of Architects
AI Artificial Intelligence
AIB Administrative Investigation Board
AIBS American Institute for Biological Sciences
AIC Ambulatory Infusion Center
AIC Architecture and Infrastructure Committee
AIC Automated Information Center
AICC Aviation Industry Computer-Based Training Committee
AICD Automated Implantable Cardiovascular Defibrillator
AICPA American Institute of Certified Public Accountants
AICS Automated Information Collection Systems
AICUZ Airport Clear Zones and Accident Potential Zones
AID Applied Informatics Deployment
AIDE Agile Integrated Development Environment
AIDS Acquired Immune Deficiency Syndrome
AIFPS Automated Insurance Folder Processing System
AIM Applied Informatics Management
AIS Automated Information System
AITBMR Annual Information Technology Budget and Management Report
AITC Austin Information Technology Center
AJCC American Joint Commission on Cancer
AJN American Journal of Nursing
AKA Above the Knee Amputation
AKA Also Known As
AKC Artificial Kidney Center
AKI Acute Kidney Injury
ALA American Legion Auxiliary
ALAC Administrative and Loan Accounting
AL American Legion
AL Annual Leave
ALARA As Low As Reasonably Achievable
AL Assisted Living
ALB Account Level Budgeter
ALBCC Account Level Budget Cost Center
ALC Agency Location Code
ALCON All Concerned
ALEX Advance Library Exchange
ALF Assisted Living Facility
ALJ Administrative Law Judge
ALOC Altered Level Of Consciousness
ALOS Average Length of Stay
ALS Amyotrophic Lateral Sclerosis
ALTA American Land Title Transfer
AMA CPT American Medical Association Current Procedural Terminology
AMA Against Medical Advice
AMA American Medical Association
AMA Appeals Modernization Act
AMAS Automated Management Application System
AMAS Automated Monument Application System
AMB SURG Ambulatory Surgery
AMB Ambulance
AMC Appeals Management Center
AMEDD Army Medical Department
AMIA American Medical Informatics Association
AMI Acute Myocardial Infarction
AMIE Automated Medical Information Exchange
AMIS Automated Management Information System
A&MM Acquisition and Material Management
AMMS Acquisition and Material Management Services
A&MMS Acquisitions and Materials Management Services
AMO Appeals Management Office
AMOD Admitting Officer of the Day
AMPL Advanced Medication Platform
AMR Automated Maintenance Reporting
AMSA Advanced Medical Support Assistant
AMS Accu-Med Services
AMS Altered Mental Status
AMS Asset Management Service
AMS Automated Methadone System
AMSUS Association of Military Surgeons of the United States
AMT Amount
AMVAD Automated Masterfile of VA Directives
AMVETS American Veterans of World War II, Korea and Vietnam
ANA American Nurses Association
AnaaS Analytics as a Service
ANACE American Nursing Association Code of Ethics
ANCC American Nurses Credentialing Center
ANEQIP Anesthesia Quality Improvement Program
ANG Air National Guard
ANOVA Analysis of Variance
ANR Automated Notification Reporting
ANSI American National Standards Institute
ANT Another Neat Tool
AOA American Osteopathic Association
AOA Analysis of Alternatives
AO Administrative Officer
A/O Administrative Offices
AO Agent Orange
AO Authorizing Official
AOC Alteration Of Consciousness
AOCC Annual Oversight Compliance Certificate
AOD Administrative Officer of the Day
AOD Administrator On Duty
AOD Advanced on Docket
AODL Accounting of Disclosure Log
AONE American Organization of Nurse Executives
A/OPC Agency/Organization Program Coordinator
AOPO Agent Orange Projects Office
AOR Agent Orange Registry
AOR Area Of Responsibility
AOSB Authorizing Official System Brief
AOTA American Occupational Therapy Association
AOU Area of Use
AOWG Agent Orange Working Group (White House)
APA American Psychological Association
AP Anatomic Pathology
AP Ankle Pumps
AP Apical Pulse
A&PC Ambulatory and Primary Care
APDS Account Provisioning Deprovisioning System
APEC Asian Pacific Economic Cooperative
APEO Associate Deputy Program Executive Officer
APF Advance Planning Fund
APG Agency Priority Goal
API Application Programming Interface
APM Application Performance Management
APM Application Performance Monitoring
APMF Acquisition Program Management Framework
APN Advance Practice Nurse
APO Area Processing Office
APO Army Post Office
APOC Administrative Point of Contact
APP Advanced Practice Professional
APP Alternating Pressure Pad
APP Application Portability Profile
APPS Advanced Practice ProfessionalS
APPT. Appointment
APRD Accounting Policy & Reporting Division
APTA American Physical Therapy Association
APW Architecture Planning Workgroup
AQRS Authorization Quality Review Specialist
ARA Automated Risk Assessment
A/R Accounts Receivable
AR Accounts Receivable
ARAMIS American Rheumatology Associates Medical Information System
AR Architecture Requirements
ARB Accident Review Board
ARB Architecture Review Board
ARCA Aggregated Root Cause Analysis
ARC Adult Rehabilitation Center
ARC Allocation Resource Center
ARC American Red Cross
ARC Amputation Rehabilitation Coordinator
ARCH Access Received Closer to Home
ARF Acute Renal Failure
ARF Animal Research Facilities
ARG Application Requirements Group
ARIWG Architecture Requirements and Investment Working Group
ARK Anesthesia Record Keeper
ARMA Association of Records Managers and Administrators
ARM Adjustable Rate Mortgage Loan
ARM Automated Reference Manual
ARNG Army National Guard
ARNP Advanced Registered Nurse Practitioner
ARO After Receipt of Order
ARPA Automated Request for Personnel Action
ARRA American Recovery and Reinvestment Act
ARRT American Registry of Radiologic Technologists
ARS Automated Response System
ART Adverse Reaction Tracking
ARTS Adverse Reaction Tracking System
ARU Alcohol Rehabilitation Unit
AR/WS Automatic Replenishment/Ward Stock
AS I&T Assistant Secretary for Information & Technology
ASA Aspirin aka acetylsalicylic acid
ASAF Automated System Access Forms
ASAM American Society of Addiction Medicine
AS Application Server
ASB Ambulatory Surgery Basic
ASC X12 Accredited Standards Committee X12
ASC Additional Service Code
ASCD Automated Service Connection Designation
ASCII American Standard Code for Information Interchange
ASCIP Academy of Spinal Cord Injury Professionals
AsCMD Associate Chief Medical Director
ASCP American Society for Clinical Pathology
ASCVD Atherosclerotic Cardiovascular Disease
ASD Architecture, Strategy, and Design
ASD/HA Assistant Secretary of Defense for Health Affairs
ASDP American Society of Dermatopathology
ASE Application Security Engine
AS-F Acquisition Service - Frederick
ASHRM American Society for Healthcare Risk Management
ASIA American Spinal Injury Association
ASIH Absent Sick In Hospital
ASIM Automated Security Incident Measurement
ASIS Application Structure and Integration Support
ASISTS Automated Safety Incident Surveillance and Tracking System
AS/IT Assistant Secretary for Office of Information and Technology
ASLM Application Service Line Manager
ASN.1 Abstract Syntax Notation One
ASOC Amputee System of Care
ASP Accrued Services Payable
ASP Active Server Pages
ASP Antimicrobial Stewardship Program
ASP Application Service Provider
ASPEN Access Standardized Performance Elements Nationwide
ASPEN Advanced Sites, Planning, and Engineering Network
ASPEN Automated Standardized Performance Elements Nationwide
ASSESS Application Self-Scoring Evaluation Support System
ASSIST Automated Safety Incident Surveillance System
ASTM American Society for Testing and Materials
ASU Authorization Subscription Utility
ASVAB Armed Service Vocational Aptitude Battery
ASW Architect Solution Worksheet
ATA Advanced Technology Attachment
AT Addiction Therapist
AT Assistive Technology
ATC Attempt(ed) To Contact
ATIC Advanced Technology Integration Center
ATM Asynchronous Transfer Mode
ATO Authority to Operate
ATOC Authority To Operate with Conditions
ATOMS Acquisition Task Order Management System
ATP Acquisition Training Program
ATRA American Therapeutic Recreation Association
ATS Addiction Treatment Services
ATS Artificial Tears
ATSD Authority To Transmit Sensitive Data
AUD Alcohol Use Disorder
AVA Anthrax Vaccine Absorbed
AVANTI Alpha VistA NT Implementation
AV Architecture View
AV Atrioventricular
AVD Azure Virtual Desktop
AVH Audio Visual Hallucinations
AVHE Application Virtualization and Hosting Environment
AVIVA A Virtual Installation of VistA Architecture
AVLJ Acting Veterans Law Judge
AVO Appraised Value Offer
AVS After Visit Summary
AWCTS Army Warrior Care & Transition System
AWE Annual Workplace Evaluation
AWIV Advanced Web Image Viewer
AWOL Absent Without Leave
AWS Alternate Work Schedule
AWS Amazon Web Services (see VAEC)
AX Artifact Exchange
BAA Business Associate Agreement(s)
B/A Basic Agreement
BABOK Business Analysis Body of Knowledge
BA Business Architecture
BAC Budget At Completion
BAFO Best of Final Order
BAH Basic Allowance for Housing
BAH Booz Allen Hamilton
BAM Benefits Appeals Memorials
BAS Benefits Assistance Service
BBB Bundle Branch Block
B Bilateral or Both
BBM Blood Bank Modernization
BBS Bulletin Board System
BCA Board of Contract Appeals
BCA Business Continuity Plan
BCAG Business Community Advisory Group
BC Blood Culture
BCBS Blue Cross Blue Shield
BC Business Continuity
BCC Board Certified Chaplain
BCE Bar Code Expansion
BCE-PPI Bar Code Enhancement - Positive Patient Identification
BCL Bar Code Letter
BCMA Bar Code Medication Administration
BCMB Business Capability Management Board
BCP Business Continuity Planning
BCR Baseline Change Request
BCR Breast Care Registry
BCRO Bar Code Resource Office
BCS Business Case Study
BCVA Best Corrected Visual Acuity