AZT Azidothymidine (AIDS drug therapy) General, Health Care
AWP Actual Wholesale Price General
AWP Average Wholesale Price General, Medicare Beneficiary
AWP Average Wholesale Price (Drugs) General
AWAS Automated Work Administration System General
AVT Automated Voice Technology General
AVP Assistant Vice President General
AVGS Ambulatory Visit Groups General, Health Care
AVERT AntiVirus Emergency Response Team (McAfee) General, Health Care
AUTO3480 HDC LMS Robotic Processing software General
AUSU Assistant U S Attorney General
AUSCT Autologous Stem Cell Transplantation General, Health Care
AUSA Assistant United States Attorney General
AUF Automatic Update Facility General
ATSDR Agency for Toxic Substances & Disease Registry (EPA) General, Health Care
ATRA American Therapeutic Recreation Association General, Health Care
ATP Advanced Technology Projects (GTE) General
ATM Aschronous Transfer Mode General
ATLA Association of Trial Lawyers of America General
ATBCB Architectural & Transportation Barriers Compliance Board General
ATB All Trunks Busy General
ATARS Audits Tracking & Reporting System General
ASTS American Society of Transplant Surgeons General, Health Care
ASTME31 ASTM Committee 31 General
ASTM American Society for Testing & Materials General
ASTHO Association of State & Territorial Health Offices General, Health Care
ASTER Automated System for Transaction Exception Resolution General
ASPER Assistant Secretary for Personnel General
ASPEN Automated Survey Processing Environment General
ASPE Assistant Secretary for Planning & Evaluation General
ASPA American Society of Public Administrators General
ASP Acquisition Strategy Plan General
ASO Administrative Services Only General, Health Care
ASO Application Services Organization IT Organization
ASMT American Society for Medical Technologists General, Health Care
ASMH Assembler H Software General
ASMB Assistant Secretary for Management & Budget General
ASM Annuity & Survivors Master (OPM file) General
ASIS Association Society of Industrial Security General
ASIM American Society of Internal Medicine General, Health Care
ASIC Application Specific Integrated Circuit General
ASI Alert Screen Initiative General
ASHRM American Society of Healthcare Risk Management General, Health Care
ASHP American Society of Health Systems Pharmacists General, Medicare Beneficiary
ASHP American Society of Hospital Pharmacists General, Health Care
ASH Assistant Secretary for Health General, Health Care
ASF Automatic System Facility General
ASER/SA Annual State Evaluation Report/State Assessments General
ASCW Audit Selection Criteria Worksheet General
ASCT American Society of Cytotechnology General
ASCPT American Society of Clinical Pharmacology & Therapeutics General, Health Care
ASCP American Society of Consultant Pharmacists General, Health Care
ASCO American Society of Clinical Oncology General, Health Care
ASCM Application Software Configuration Management General
ASCII American Standard Code for Information Interchange (see ANSCII) General
ASCA Administrative Simplification Compliance Act HIPAA Administrative Simplification
ASC Accredited Standards Committee (ANSI) General
ASC Ambulatory Surgical/Surgery Center General, Health Care
ASBCA Armed Services Board of Contract Appeals General
ASBCA Armed Services Board of Contract/State Assessments General
ASAP American Society of Automation in Pharmacy General, Medicare Beneficiary
ASAP Automated Standard Application for Payments General
AS Administrative Simplification General
AS Advanced System (AJS) General
AS American Samoa General, Health Care
AS Application System General
ARU Audio Response Unit General
ARU Automated Response Unit (Phone system with automated routing) General
ARTS Automated Reporting & Tracking System General
ARTEMIS (mainframe project management software testing tool) General
ARSTOP ARS Telephone Communications Operating Procedures General
ARS Active Record Status General
ARS Advanced Record System (GSA) General
ARS Advanced Retrieval System General
ARS Age/Race/Sex General
ARS Agricultural Research Service General
ARS Altanthus Response System General
ARP Admission Review Program General
ARO Annualized Rate of Occurence General
ARMS Adhoc Reports Management System General
ARMS Automated Resource Management System General
ARMIS Ad Hoc Reports Management Information System General
ARK Arkansas Part B System General
ARIMA Arithmetic Moving Average General
ARF Actuarial Reduction Factor Program (MBR) General
ARF Area Resource File General
ARCS Accounts Receivable & Collection System General
ARC AIDS Related Complex General, Health Care
ARC American Red Cross Medicare Beneficiary, Health Care
ARC Association for Retarded Citizens General
ARA Assistant Regional Administrator General
ARA Associate Regional Administrator General
AR Accounts Receivable General
AR Alpha Representation General
AQRP Audit Quality Review Program General
AQL Acceptable Quality Level Medicare Beneficiary, Health Care
AQI Audit Quality Initiative General
APWA American Public Welfare Association (changed to APHSA) General
APTD Aid to the Permanently & Totally Disabled Medicare Beneficiary, Health Care
APT Automated Production Turnover General
APSA American Political Science Association General
APS Acquisition Planning Schedule General
APS Acute Physiology Score General, Health Care
APS Adjudication Payment System General
APS Annual Person Summary System General
APS Application Productivity System General
APR - DRG all payer refined - diagnosis related groups Health Care
APR Acquisition Procurement Request General
APR Agency Procurement Request General
APR Average Payment Rate General
APPS (GHP) Automated Plan Payment System General
APPC Advanced ProgramtoProgram Communication General, IT Organization
APP Application Portability Profile General
APO Awards Processing Operation General
APME Advisory Panel on Medicare Education General, Health Care
APMA American Podiatric Medical Association General, Health Care
APM Admission Pattern Monitoring General, Health Care
APM Audit Priority Matrix General
API Application Programming Interface General
APHSA American Public Human Services Association General, Health Care
APHP Acute Partial Hospitalization Program General, Health Care
APHP Applied as Hospital Insurance Premiums General, Health Care
APHA American Public Health Association General, Health Care
APG Ambulatory Patient Group General, Health Care
APG Ambulatory Payment Group General, Health Care
APF Authorized Program Facility General
APDSR Average Per Diem State Rate General
APDA Accretion Premium Due Amount General
APD Advanced Planning Documents Medicare Beneficiary, Health Care
APCSS Automated Production Control & Scheduling System (at HDC) General
APC Ambulatory Payment Class General, Health Care
APC Average Per Capita General
APC Average Projected Costs General
APACHE Acute Physiology & Chronic Health Evaluation General, Health Care
APA American Pharmaceutical Association General, Health Care
APA American Psychiatric Association General, Health Care
AP Award Processing General
AOR After Outliers Removed General
AOR Application Owning Region General
AOPA American Orthotic & Prosthetic Association General, Health Care
AONE American Organization of Nurse Executives General, Health Care
AOLS All Other Local Screens General
AOA Administration on Aging Medicare Beneficiary, Health Care
AOA American Optometric Association General, Health Care
AOA American Osteopathic Association General, Health Care
AO Accreditation Organization General, Medicare Beneficiary
ANSI X12 837 American National Standards Institute Health Data Committee X12 file format 837 General, Health Care
ANSI American National Standards Institute General
ANSCII American National Standard Code for Information Interchange General, IT Organization
ANNA American Nephrology Nurses Association General, Health Care
ANDA Abbreviated New Drug Applications General, Health Care
ANCI American National Standards Institute General, Medicare Beneficiary
ANCHR Access to the NCH Repository (online query to 5% sample) General, Health Care
ANA Administration for Native Americans Medicare Beneficiary, Health Care
ANA American Nurses Association General, Health Care
AN Account Number (also A/N) General, Health Care
AMW Average Monthly Wage General
AMS Activities Management System General
AMRA American Medical Records Association General, Health Care
AMR Acquisition Management Review General
AMP Average Manufacturer's Price General
AMOC Automated Manual Ordering Cycle General
AML Arithmetic Mean of the Logarithm General, IT Organization
AMIS American Management Information System General
AMIA American Medical Informatics Association Health Care
AMI acute myocardial infarction (heart attack) Health Care
AMHPS Association of Minority Health Professional Schools General, Health Care
AMCS Automated Medical Coding System General, Health Care
AMCRA American Medical Care & Review Association General, Health Care
AMCP Academy of Managed Care Pharmacy General, Medicare Beneficiary
AMASDS Asset Management & Automated Software Distribution System General
AMA American Medical Association Medicare Beneficiary, Health Care
AM Adjustment Module General
AM Amplitude Modulation General, IT Organization
ALT Average Length of Treatment Medicare Beneficiary, Health Care
ALSO Automatic Lump Sum Operation (MBR) General, IT Organization
ALS Advanced Life Support Medicare Beneficiary, Health Care
ALS Advanced Logistics System General, IT Organization
ALOS Average Length of Stay Medicare Beneficiary, Health Care
ALNF Auto Liability NoFault General
ALJ Administrative Law Judge General
ALFA Assisted Living Federation of America General, Health Care
ALE Annual Loss Expectancy General
ALC Active License Counter General
ALC Active Location Counter General
ALC Alternate Level of Care General, Health Care
ALBN Amount of Last Billing Notice General, Health Care
AKF American Kidney Fund Medicare Beneficiary, Health Care
AINS Advanced Information Network System General, IT Organization
AIMS Audit Information Management System General, IT Organization
AIM Automated Insertion Machine General, IT Organization
AIIM Association for Information & Image Management (trade association) General, IT Organization
AIF Applications Interface Facility General
AID Agency for Informational Development General, IT Organization
AID Agency for International Development General
AICR Alternative Internal Control Review General
AICPA American Institute of Certified Public Accountants General
AICC Anti-Inhibitor Coagulant Complex General, Health Care
AIC Amount In Controversy General, Medicare Beneficiary
AI Audit Intermediary General
AHSS Adhoc Sampling Survey General
AHSEA Adjusted Hourly Salary Equivalency Amount General
AHRQ Agency for Healthcare Research & Quality Medicare Beneficiary, Health Care
AHRQ Agency for Healthcare Research and Quality General, Medicare Beneficiary
AHPB Adjusted Historical Payment Basis General
AHPA American Health Planning Association General, Health Care
AHP Accountable Health Partnership General, Health Care
AHP Accountable Health Plan General, Health Care
AHP Alternative Health Plan General, Health Care
AHP Average Historical Payment General
AHIMA American Health Information Management Association General, Health Care
AHFSA Association of Health Facility Survey Agencies General, Health Care
AHES Average Hourly Earnings General
AHCA American Health Care Association General, Health Care
AHA American Heart Association Medicare Beneficiary, Health Care
AHA American Hospital Association Medicare Beneficiary, Health Care
AGPAM American Guild of Patient Account Managers General, Health Care
AGNS AT&T Global Network Services IT Organization
AGA Association of Government Accounts General
AG Affiliated Group General
AFSCME American Federation of State, County & Municipal Employees General
AFPS Accounting for Pay System General, IT Organization
AFN Accumulation File Number General, IT Organization
AFIPS American Federation of Information Resources Societies General
AFHHA American Federation of Home Health Agencies General, Health Care
AFFIRM Association of Federal Information Resources Management General
AFEHCT American Federation of Electronic Health Care Transactions General, Health Care
AFEHCT Association for Electronic Health Care Transactions Health Care
AFDS Alternative Financing & Delivery System General
AFDC Aid to Families with Dependant Children (Title IV of the SS Act) Medicare Beneficiary, Health Care
AFCEA Armed Forces Communications & Electronics Association General
AFA Alternative Form of Annuity General
AF Administrative Function General
AERO Automatic Earnings Recomputation Operation (MBR) General, IT Organization
AEP Annual Coordinated Election Period General, Medicare Beneficiary
AEP Annual Enrollment Period IT Organization
AEP Appropriateness Evaluation Period General
AE Administrative Enhancement General
ADWOH Average Day's Work On Hand General
ADT Admission/Discharge Transfer Medicare Beneficiary, Health Care
ADSO Application Development System Online General
ADSB Application Development System Batch General
ADS Alternative Delivery System General
ADS Amount, Duration & Scope General
ADS Automated Data System General, IT Organization
ADS Automated Development System General
ADR Alternative Dispute Resolution (EEO) General
ADR Automated Date Review General
ADR Automated Desk Review General, Health Care
ADP (Medicaid) Alternative Disposition Plan Medicare Beneficiary, Health Care
ADP Advance Planning Document Medicare Beneficiary, Health Care
ADP Automated Data Processing General, IT Organization
ADOBI Advanced DOB Information (System) (SSA) General
ADMS Administrative Message General
ADMS Alcohol, Drug Abuse & Mental Health Services Medicare Beneficiary, Health Care
ADMC Advance Determination of Medicare Coverage General, Health Care
ADL Activities of Daily Living Medicare Beneficiary, Health Care
ADJ Adjusted Claim General, Health Care
ADHA American Dental & Hygienists Association General, Health Care
ADG-HOSDOM Ambulatory Diagnostic Group Hospital Dominant General, Health Care
ADG Ambulatory Diagnostic Group General, Health Care
ADC Adult Day Care Medicare Beneficiary, Health Care
ADARS Automated DASD Archival Restoration System General, IT Organization
ADAPSO Association of Data Processing Services Organization General, IT Organization
ADAP AIDS Drug Assistance Program General, Medicare Beneficiary, IT Organization, Health Care, State, Contractor, HIPAA Administrative Simplification
ADAMHA Alcohol, Drug Abuse & Mental Health Administration General, Health Care
ADAD After Date of Award Document General
ADA American Dental Association General, Health Care
ADA American Dietetic Association General, Health Care
ADA Americans with Disabilities Act of 1990 Medicare Beneficiary, Health Care
AD Admitting Diagnosis General, Health Care
ACYF Administration on Children, Youth & Families Medicare Beneficiary, Health Care
ACV Arithmetic Coefficient of Variation General, IT Organization
ACU Automatic Calling Unit General
ACTS Automated Case Tracking System General
ACTG AIDS Clinical Trials Group Medicare Beneficiary, Health Care
ACT Access Control Table General
ACSS Advisory Council on Social Security General
ACSI American Customer Satisfaction Index Medicare Beneficiary, Health Care
ACSC Ambulatory Care Sensitive Conditions General, Contractor
ACS Accredited Standards Committee Health Care
ACS American Cancer Society Medicare Beneficiary, Health Care
ACS American College of Surgeons General, Health Care
ACS Automated Cartridge System General, IT Organization
ACRS Accelerated Cost Recovery System General, IT Organization
ACRP Adjusted Community Rate Proposal Medicare Beneficiary, Health Care
ACRG Annual Compound Rate of Growth General, IT Organization
ACR Adjusted Community (Contract) Rate Medicare Beneficiary, Health Care
ACR American College of Radiology General, Health Care
ACPV Average Cost per Visit General, Health Care
ACPS Advanced Claims Processing System General, IT Organization
ACP American College of Physicians General, Health Care
ACOG American College of Obstetricians & Gynecologists General, Health Care
ACO Administrative Contracting Officer General
ACMS Advanced Cost Management Systems General
ACMP Audit/Civil Monetary Penalties General
ACM Association of Computing Machinery General, IT Organization
ACLU American Civil Liberties Union General
ACLI American Council of Life Insurance General
ACL Access Control Lists General
ACIP PHS Immunization Practice Advisory Committee General
ACHE American College of Healthcare Executives General, Health Care
ACH Automated Clearing House General
ACGIH American Conference of Government Industrial Hygienists General, Health Care
ACF Administration for Children & Families Medicare Beneficiary, Health Care
ACERS Annual Contractor Evaluation Reporting System General
ACEP American College of Emergency Physicians General, Health Care
ACEI Angiotensin Converting Enzyme Inhibitors General, Health Care
ACE (Carrier) Automated Claims Examination General
ACD Audit Clearance Document General
ACD Automatic Cancellation Date General
ACCT Action Plan by Electronic Claims Transaction Institute General, IT Organization
ACC American College of Cardiology General, Health Care
ACC Automated Change Control General
ACA Amputee Coalition of America Medicare Beneficiary, Health Care
AC Actual Charge Medicare Beneficiary, Health Care
AC Allowable Cost General
ABS Annual Beneficiary Summary Medicare Beneficiary, Health Care
ABR American Board of Radiology Medicare Beneficiary, Health Care
ABN Advanced Beneficiary Notice General, Health Care
ABH Association of Behavioral Healthcare Medicare Beneficiary, Health Care
ABG Arterial Blood Gases General, Health Care
ABENDAID ABEND Analysis Software General, IT Organization
ABEND Abnormal Ending General
ABD Aged, Blind & Disabled Medicare Beneficiary, Health Care
ABA American Banking Association General
ABA American Bar Association General
AB (BC/BSA's) Administrative Bulletin General
AARR Approval, Adjustment & Reject Response General
AARP American Association of Retired Persons Medicare Beneficiary, Health Care
AARG Average Annual Rate of Growth General
AAPP Affirmative Action Program Planning General
AAPHR American Association of Physicians for Human Rights General, Health Care
AAPD American Academy of Pediatric Dentistry General, Health Care
AAPCC Adjusted Average Per Capita Cost General, Health Care
AAPC American Association of Professional Coders General, Health Care
AAP American Academy of Pediatrics General, Health Care
AAO American Academy of Ophthalmology General, Health Care
AAMC Association of American Medical Colleges General, Health Care
AAKP American Association of Kidney Patients Medicare Beneficiary, Health Care
AAI Applications Alarms Infrastructure (GTE/MTS) General, IT Organization
AAHSA American Association of Homes & Services for the Aging Medicare Beneficiary, Health Care
AAHP American Association of Health Plans Medicare Beneficiary, Health Care
AAHA American Association of Homes for the Aging Medicare Beneficiary, Health Care
AAGEG Administrative Analysis Grade Evaluation Guide General
AAFP American Academy of Family Physicians General, Health Care
AAFES Army & Air Force Exchange Services General, Health Care
AAF Aplastic Anemia Foundation General, Health Care
AADA Abbreviated Antibiotic Drug Application General, Health Care
AACR American Association for Cancer Research Medicare Beneficiary, Health Care
AACN American Association of Colleges of Nursing General, Health Care
AABH Association for Ambulatory Behavioral Healthcare General, Health Care
AABB American Association of Blood Banks General, Health Care
AAA Agricultural Adjustment Administration General
AAA American Automobile Association General, Health Care
AA Associate Administrator General
A76 OMB Circular "Policies for Acquiring Commercial or Industrial Products or Services General
A2HA American Association of Hospital Accountants General, Health Care
A130 OMB Circular "Management of Federal Information Resources" General
A121 OMB Circular "Charge Back for ADP Services Provided to Multiple Users" General
A109 OMB Circular "Major Systems Acquisitions (ADP)" General
A/R Applicant and/or Recipient General
A/P Accounts Payable General, IT Organization
A-PT ActionPhase Topic General
A&R Audit & Reimbursement General, IT Organization
A&G Acquisitions & Grants General
A&G Administrative & General General
A&AS Advisory & Assistance Service General