ACR Economics Acronym List


3M 3M Health Information System



A1c Hemoglobin A1c

AAA Abdominal Aortic Aneurysms

AAMC Association of American Medical Colleges

ABC Achievable Benchmark of Care

ABCTM Achievable Benchmark of Care

ACA The Patient Protection and Affordable Care Act

ACGME Accreditation Council for Graduate Medical Education

ACO Accountable Care Organization

ACoS American College of Surgeons

ACOT Advisory Committee on Organ Transplantation

AHA American Hospital Association

AHIC American Health Information Community

AHIMA American Health Information Management Association

AHRQ Agency for Healthcare Research and Quality

AJCC American Joint Committee on Cancer

ALOS Average Length of Stay

ALTHA Acute Long Term Hospital Association

AMA American Medical Association

AMGA American Medical Group Association

AMI Acute Myocardial Infarction

AOA American Osteopathic Association

APC Ambulatory Payment Classification

APM Alternative Payment Model

APR DRG All Patient Refined Diagnosis Related Group System

APRN Advanced Practice Registered Nurse

APU Annual payment update

ARRA American Recovery and Reinvestment Act

ASC Ambulatory Surgical Center

ASCA Administrative Simplification Compliance Act

ASCQR Ambulatory Surgical Center Quality Reporting

ASITN American Society of Interventional and Therapeutic Neuroradiology

ASP Average sales price

ASPE HHS’ Office of the Assistant Secretary for Planning and Evaluation

ATA American Telehealth Association

ATRA American Taxpayer Relief Act

AUC Appropriate use criteria

AWP Average wholesale price

AWV Annual Wellness Visit




BBA Balanced Budget Act

BBRA Balanced Budget Refinement Act

BBRA Medicare, Medicaid, and SCHIP [State Children’s Health Insurance Program] Balanced Budget Refinement Act

BCBSMA Blue Cross Blue Shield of Massachusetts

BCPI Bundled Payments for Care Improvement

BIPA Medicare, Medicaid, and SCHIP Benefits Improvement and Protection Act

BLS Bureau of Labor Statistics

BPCI Bundled Payments for Care Improvement




CABG Coronary Artery Bypass Graft [surgery]

CAD Coronary Artery Disease

CAH Critical Access Hospital

CAHPS Consumer Assessment of Healthcare Providers and Systems Care Practice

CAHs Critical Access Hospitals

CAP Competitive Acquisition Program

C–APC Comprehensive Ambulatory Payment Classification

CARE [Medicare] Continuity Assessment Record & Evaluation [Instrument]

CART CMS Abstraction & Reporting Tool

CASPER Certification and Survey Provider Enhanced Reporting

CAUTI Catheter-Associated Urinary Tract Infection

CBIC Competitive Bidding Implementation Contractor

CBSA Core-Based Statistical Area

CBSAs Core-based Statistical Areas

CC Complication or comorbidity

CCI Correct Coding Initiative

CCM Chronic Care Management

CCN CMS Certification Number

CCR Cost-to-Charge Ratio

CDAC [Medicare] Clinical Data Abstraction Center

CDAD Clostridium Difficile-Associated Disease

CDC Center for Disease Control and Prevention

CDS Clinical Decision Support

CED Coverage with Evidence Development

CEHRT Certified EHR Technology

CEO Chief executive officer

CERT Comprehensive Error Rate Testing

CF Conversion Factor

CfC Conditions of coverage

CFR Code of Federal Regulations

CG-CAHPS Clinician and Group Consumer Assessment of Healthcare Providers and Systems

CHCs Community Health Centers

CHIP Children's Health Insurance Program

CIPI Capital Input Price Index

CJR Comprehensive Care for Joint Replacement

CLABSI Central Line [Catheter] Associated Blood Stream Infection

CLFS Clinical Laboratory Fee Schedule

CMHC Community mental health center

CMI Case-Mix Index

CMMI Center for Medicare & Medicaid Innovation (CMS Innovation Center)

CMP Civil Monetary Penalties

CMS Centers for Medicare & Medicaid Services

CMSA Consolidated Metropolitan Statistical Area

CNM Certified Nurse Midwife

CoA Certificate of Accreditation

CoC Certificate of Compliance

COI Collection of Information

COLA Cost-of-Living Adjustment

CoP [Hospital] condition of participation

COPD Chronis obstructive pulmonary disease

CoR Certificate of Registration

CP Clinical Psychologist

CPC Comprehensive Primary Care

CPEP Clinical Practice Expert Panel

CPI Clinical Practice Improvement

CPI Consumer Price Index

CPIA Clinical Practice Improvement Activity

CPI–U Consumer Price Index for All Urban Consumers

CPOE Computerized Provider Order Entry

CPR Customary Prevailing and Reasonable

CPR Customary, Prevailing, and Reasonable

CPS Composite Performance Score

CPT Current Procedural Technology

CPT Current Procedural Terminology

CQM Clinical Quality Measure

CR Change request

CRC Colorectal cancer

CRNA Certified registered nurse anesthetist

CSAC Consensus Standards Approval Committee

CSW Clinical Social Worker

CT Computed Tomography

CV Coefficient of variation

CW Certificate of Waiver

CWF Common Working File

CY Calendar Year 





DACA Data Accuracy and Completeness Acknowledgement

DFAR Defense Federal Acquisition Regulations

DFO Designated Federal Official

DHHS Department of Health and Human Services

DHS Designated Health Services

DI Diagnostic Imaging Services

DIR Direct or indirect remuneration

DM Diabetes Mellitus

DME Durable medical equipment

DMEPOS Durable Medical Equipment, Prosthetics/Orthotics, and Supplies Fee Schedule

DOB Date of Birth

DOJ Department of Justice

DPP Disproportionate Patient Percentage

DRA Deficit Reduction Act

DRG Diagnosis-Related Group

DSH Disproportionate Share Hospital

DSMT Diabetes Self-Management Training

DUA Data use Agreement





E/M Evaluation and Management

EACH Essential access community hospital

EAM Extended assessment and management

EBRT External beam radiotherapy

ECD Expanded criteria donor

ECG Electrocardiogram

ECI Employment Cost Index

eCQM Electronic Clinical Quality Measures

ECT Electroconvulsive therapy

ED Emergency Department

EDB [Medicare] Enrollment Database

EDTC Emergency department transfer communication

EHR Electronic Health Record

EMR Electronic medical record

EMT Emergency Medical Technician

EMTALA Emergency Medical Treatment and Labor Act

EP Eligible Professional

eRx Electronic Prescribing Incentive Program

ESRD End-stage Renal Disease

ESRD QIP End-Stage Renal Disease Quality Improvement Program




FACA Federal Advisory Committee Act

FAH Federation of American Hospitals

FAR Federal Acquisition Regulations

FDA Food and Drug Administration

FFS Fee-for-Service

FFY Federal fiscal year

FPL Federal poverty line

FQHC Federally Qualified Health Center

FQHCs Federally Qualified Health Centers

FR Federal Register

FSHCAA Federally Supported Health Centers Assistance Act

FTC Federal Trade Commission

FTE Full-time equivalent

FY Fiscal year 




GAF Geographic Adjustment Factor

GAO Government Accountability Office

GI Gastrointestinal

GME Graduate medical education

GPCI Geographic Pricing Cost Index

GPO Group Purchasing Organization

GPRO Group Practice Reporting Option

GTR Genetic Testing Registry





HAC Hospital-Acquired Condition

HAI Healthcare-Associated Infection

HCAHPS Hospital Consumer Assessment of Health care Provider and Systems

HCC Hierarchal Condition Category

HCERA Health Care and Education Reconciliation Act

HCFA Health Care Financing Administration

HCO High-cost outlier

HCP Health care personnel

HCPCS Healthcare Common Procedure Coding System

HCRIS Healthcare Cost Report Information System

HCUP Healthcare Cost and Utilization Project

HEU Highly enriched uranium

HH QRP Home Health Quality Reporting Program

HHA Home Health Agency

HHAs Home Health Agencies

HHS Department of Health and Human Services

HICAN Health Insurance Claims Account Number

HICN Health Insurance Claim Number

HIE Health Information Exchange

HIPAA Health Insurance Portability and Accountability Act

HIPC Health Information Policy Council

HIS Health Information System

HIT Health Information Technology

HITECH Health Information Technology for Economic and Clinical Health

HMO Health Maintenance Organization

HOP Hospital Outpatient Payment [Panel]

HOP QDRP Hospital Outpatient Quality Data Reporting Program

HOPD Hospital Outpatient Department

HPMP Hospital Payment Monitoring Program

HPMS Health Plan Management System

HPSA Health professional Shortage Area

HQA Hospital Quality Alliance

HQI Hospital Quality Initiative

HRSA Health Resources and Services Administration

HSA Health Savings Account

HSCRC [Maryland] Health Services Cost

HSRVcc Hospital-specific Relative Value Cost Center

HVBP Hospital Value Based Purchasing





I/OCE Integrated Outpatient Code Editor

IBD Inflammatory bowel disease

IBR Intern- and Resident-to-Bed Ratio

ICC Interclass correlation coefficient

ICD Implantable cardioverter defibrillator

ICD–10 International Classification of Diseases

ICD–10–CM International Classification of Diseases, Tenth Revision, Clinical Modification

ICD–10–PCS International Classification of Diseases, Tenth Revision, Procedure Coding System Diseases

ICD–9–CM International Classification of Diseases, Ninth Revision, Clinical Modification

ICH In-center hemodialysis

ICR Information Collection Requirement

ICU Intensive care unit

IDTF Independent Diagnostic Testing Facility

IGI IHS Global Insight, Inc.

IHS Indian Health Service

IME Indirect medical education

IMRT Intensity Modulated Radiation Therapy

I–O Input-Output

IOL Intraocular lens

IOM Institute of Medicine

IORT Intraoperative radiation treatment

IPF Inpatient psychiatric facility

IPFQR Inpatient Psychiatric Facility Quality Reporting

IPPE Initial Preventive Physical Exam

IPPS [Hospital] Inpatient Prospective Payment System

IQR [Hospital] Inpatient Quality Reporting

IRF Inpatient Rehabilitation Facility

IRF QRP Inpatient Rehabilitation Facility Quality Reporting Program

IRS Internal Revenue Service

ISO Insurance Service Office

IT Information Technology

IWPUT Intensity of Work Per Unit of Time




LAMCs Large area metropolitan counties

LCD Local Coverage Determination

LDO Large Dialysis Organization

LDR Low dose rate

LOS Length of Stay

Long-term care diagnosis-related group

LTCH Long-Term Care Hospital

LTCHQR Long-Term Care Hospital Quality Reporting

LTCHs Long-Term Acute Care Hospitals





MA Medicare Advantage (Plan)

MAC Medicare Administrative Contractor

MACRA Medicare Access and CHIP Reauthorization Act

MAP Measure Applications Partnership

MAPCP Multipayer Advanced Primary Care Practice

MA-PD Medicare Advantage Prescription Drug (Plan)

MAV Measure Application Validity Process

MCC Major complication or comorbidity

MCE Medicare Code Editor

MCO Managed care organization

MCP Monthly Capitation Payment

MDC Major diagnostic category

MDH Medicare-dependent, small rural hospital

MedPAC Medicare Payment Advisory Commission

MedPAR Medicare Provider Analysis and Review File

MEG Magnetoencephalography

MEI Medicare Economic Index

MFP Multi-Factor Productivity

MGCRB Medicare Geographic Classification Review Board

MHCQ Medicare Health Care Quality

MIEA-TRHCA Medicare Improvements and Extension Act

MIPPA Medicare Improvements for Patients and Providers Act

MIPS Merit-based Incentive Payment Programs

MLR Medical loss ratio

MMA Medicare Prescription Drug, Improvement and Modernization Act

MMEA Medicare and Medicaid Extenders Act

MMSEA Medicare, Medicaid, and SCHIP Extension Act

MP Malpractice

MPFS Medicare Physician Fee Schedule

MPPR Multiple Procedure Payment Reduction

MR Medical review

MRA Magnetic Resonance Angiography

MRgFUS Magnetic Resonance Image Guided Focused Ultrasound

MRHFP Medicare Rural Hospital Flexibility Program

MRI Magnetic Resonance Imaging

MRSA Methicillin-resistant Staphylococcus Aureus

MSA Metropolitan Statistical Area

MS–DRG Medicare Severity Diagnosis Related Group

MS-DRGs Medicare Severity-Adjusted Diagnosis Related Groups

MSIS Medicaid Statistical Information System

MS–LTC–DRG Medicare severity long-term care diagnosis-related group

MSP Minimum Savings Percentage

MSPB Medicare Spending per Beneficiary

MSR Minimum Savings Rate

MSSP Medicare Shared Savings Program

MU Meaningful Use

MUA Medically Underserved Area

MUC Measure under consideration





NAICS North American Industrial Classification System

NALTH National Association of Long Term Hospitals

NCCCN North Carolina Community Care Network

NCCI National Correct Coding Initiative

NCD National Coverage Determination

NCHS National Center for Health Statistics

NCQA National Committee for Quality Assurance

NCQDIS National Coalition of Quality Diagnostic Imaging Services

NCVHS National Committee on Vital and Health Statistics

NDC National Drug Code

NECMA New England County Metropolitan Areas

NEMA National Electrical Manufacturers Association

NHSN National Healthcare Safety Network

NOP Notice of Participation

NOS Not otherwise specified

NOTA National Organ and Transplantation Act

NP Nurse Practitioner

NPI National Provider Identifier

NPP Nonphysician Practitioner

NPWT Negative Pressure Wound Therapy

NQF National Quality Forum

NQS National Quality Strategy

NRDR National Radiology Data Registry

NTIOL New technology intraocular lens

NTIS National Technical Information Service

NTTAA National Technology Transfer and Advancement Act

NUBC National Uniform Billing Committee

NVHRI National Voluntary Hospital Reporting Initiative




OR Operating room

O/E Observed to expected event

OACT [CMS] Office of the Actuary

OBRA ’90 Omnibus Budget Reconciliation Act of 1990

OBRA '86 Omnibus Budget Reconciliation Act

OBRA Omnibus Budget Reconciliation Act

OCM Oncology Care Model

OIG [HHS] Office of the Inspector General

OMB Office of Management and Budget

ONC Office of the National Coordinator for Health Information Technology

OPD [Hospital] Outpatient Department

OPM [U.S.] Office of Personnel Management

OPO Organ Procurement Organization

OPPS [Hospital] Outpatient Prospective Payment System

OPSF Outpatient Provider-Specific File

OPTN Organ Procurement and Transplantation Network

OQR [Hospital] Outpatient Quality Reporting

OSCAR Online Survey Certification and Reporting [System]

OT Occupational Therapy




PA Physician Assistant

PACE Program of All Inclusive Care for the Elderly

PACFs Post-Acute Care Facilities

PAMA Protecting Access to Medicare Act

PAMPA Patient Access and Medicare

PAYGO Pay-as-you-go

PBD Provider-Based Department

PC Professional Component

PCH PPS-Exempt Cancer Hospital

PCHQR PPS-Exempt Cancer Hospital Quality Reporting

PCMH Patient Centered Medical Home

PCPI Physician Consortium for Performance Improvement

PCR Payment-to-cost ratio

PDC Per day cost

PDE Prescription Drug Event

PE Practice Expense

PE/HR Practice expense per hour

PECOS Medicare Provider Enrollment, Chain, and Ownership System

PEPPER Program Evaluation Payment Patterns Electronic Report

PFPMs Physician Focused Payment Models

PFS Physician Fee Schedule

PGP Physician Group Practice

PHI Protected health information

PHP Partial hospitalization program

PHS Public Health Service Act

PHSA Public Health Service Act

PLI Professional Liability Insurance

PMA Premarket Approval

PMSAs Primary Metropolitan Statistical Areas

PN Pneumonia

POA Present on Admission

POS Place of service

PPI Producer Price Index

PPIS Physician Practice Expense Information Survey

PPM Provider-Performed Microscopy

PPO Preferred provider organization

PPS Prospective payment system

PQRI Physician Quality Reporting Initiative

PQRS Physician Quality Reporting System

PRA Paperwork Reduction Act

PRM Provider Reimbursement Manual

ProPAC Prospective Payment Assessment Commission

PRRB Provider Reimbursement Review Board

PRTFs Psychiatric Residential Treatment Facilities

PS&R Provider Statistical and Reimbursement [System]

PSA Primary Service Areas

PSF Provider-Specific File

PSI Patient Safety Iindicator

PT Physical Therapy

PT Proficiency Testing

PT/INR Prothrombin Time/International Normalized Ratio

PTAC Physician-Focused Payment Model Technical Advisory Committee

PY Performance Year




QA Quality Assessment

QC Quality Control

QCDR Qualified Clinical Data Registry

QDC Quality data code

QE Qualified Entities

QI Qualifying Individual

QIG Quality Improvement Group [CMS]

QIO Quality Improvement Organization

QP Qualified APM Professional

QRDA Quality Reporting Document Architecture

QRUR Quality and Resource Use Report 



RAC Recovery Audit Contractor

RBRVS Resource-Based Relative Value Scale

RCE Reasonable compensation equivalent

RFA Regulatory Flexibility Act

RFI Request for Information

RHC Rural Health Clinic

RHCs Rural Health Clinics

RHQDAPU Reporting hospital quality data for annual payment update

RIA Regulatory Impact Analysis

RNHCI Religious nonmedical health care Institution

RPL Rehabilitation psychiatric long-term Care (Hospital)

RRC Rural referral center

RSMR Risk-standardized mortality rate

RSRR Risk-standard readmission rate

RTI Research Triangle Institute, International

RUC American Medical Association/Specialty Society Relative (Value) Update Committee

RUCA Rural Urban Commuting Area

RUCAs Rural-urban commuting area codes

RVU Relative Value Unit

RY Rate year





SAD Self-administered drug

SAF Standard Analytic File

SAMS Secure Access Management Services

SBA Small Business Administration

SCH Sole community hospital

SCIP Surgical Care Improvement Project

SCOD Specified covered outpatient drugs

SES Socioeconomic status

SFY State fiscal year

SGR Sustainable Growth Rate

SI Status indicator

SIA Systems Improvement Agreement

SIC Standard Industrial Classification

SIM State Innovation Model

SIR Standardized infection ratio

SLP Speech-language Pathology

SMS Socioeconomic Monitoring System

SNF Skilled Nursing Facility

SNFs Skilled Nursing Facilities

SOCs Standard occupational classifications

SOM State Operations Manual

SRS Stereotactic radiosurgery

SRTR Scientific Registry of Transplant Recipients

SSA Social Security Administration

SSI Supplemental Security Income

SSI Surgical Site Infection

SSN Social Security Number

SSO Short-Stay Outlier

SUD Substance Use Disorder




TAP Technical Advisory Panel

TC Technical Component

TCM Transitional Care Management

TCPI Transforming Clinical Practice Initiative

TEFRA Tax Equity and Fiscal Responsibility Act

TEP Technical expert panel

TIN Tax Identification Number

TIP Transprostatic implant procedure

TMA Transitional Medical Assistance Program

TMS Transcranial Magnetic Stimulation Therapy

TOPs Transitional Outpatient Payments

TPS Total Performance Score


UHDDS Uniform hospital discharge data set

UMRA Unfunded Mandate Reform Act

UPIN Unique Physician Identification Number

UR Utilization review

USC United States Code

USPSTF United States Preventive Services Task Force

UTI Urinary tract infection


VBP [Hospital] Value Based Purchasing Program

VM Value-based Payment Modifier

VPS Volume Performance Standard

VTE Venous Thromboembolism


WAC Wholesale acquisition cost