| ALUA | University of Alabama at Birmingham Hospital | Birmingham | Alabama |
| ARBH | Baptist Health Medical Center | Little Rock | Arkansas |
| ARSVX | CHI St. Vincent Infirmary Health System | Little Rock | Arkansas |
| AZGS | Banner University Medical Center Phoenix | Phoenix | Arizona |
| AZMC | Mayo Clinic Hospital | Phoenix | Arizona |
| AZSJ | St. Joseph’s Hospital and Medical Center | Phoenix | Arizona |
| AZUA | Banner University Medical Center / Univ. of Arizona | Tucson | Arizona |
| CACRX | Fresno Community | Fresno | California |
| CACS | Cedars Sinai Medical Center | Los Angeles | California |
| CAGH | Scripps Memorial Hospital La Jolla | La Jolla | California |
| CAIRV | University of California Irvine | Orange | California |
| CAKPX | Kaiser Permanente Santa Clara Medical Center | Santa Clara | California |
| CALL | Loma Linda University Medical Center & Children’s Hospital | Loma Linda | California |
| CAMGX | Dignity Health/ Mercy General | Sacramento | California |
| CAPM | Sutter California Pacific Medical Center | San Francisco | California |
| CASD | University of California, San Diego Medical Center | San Diego | California |
| CASF | University of California San Francisco | San Francisco | California |
| CASG | Sutter Medical Center Sacramento | Sacramento | California |
| CASH | Sharp Memorial Hospital | San Diego | California |
| CASM | University of California Davis Medical Center (UCDMC) | Sacramento | California |
| CASU | Stanford University Medical Center | Stanford | California |
| CAUC | UCLA Medical Center | Los Angeles | California |
| CAUH | Keck Hospital of USC | Los Angeles | California |
| COUC | University of Colorado Hospital | Aurora | Colorado |
| CRS | Cardiac Registry Report | St. Cloud | Minnesota |
| CTHH | Hartford Hospital | Hartford | Connecticut |
| CTYN | Yale-New Haven Hospital | New Haven | Connecticut |
| DCGW | George Washington University Hospital | Washington | District of Columbia |
| DCWH | Washington Hospital Center | Washington | District of Columbia |
| DEAI | Nemours/A.I. duPont Hospital for Children | Wilmington | Delaware |
| DECC | Christiana Care Health System | Newark | Delaware |
| FLCCX | Cleveland Clinic Florida | Weston | Florida |
| FLFH | AdventHealth | Orlando | Florida |
| FLJM | Jackson Memorial Health System/University of Miami | Miami | Florida |
| FLKMX | JFK Medical Center | Atlantis | Florida |
| FLLM | HCA Florida Largo Hospital | Largo | Florida |
| FLPH | Florida Hospital Tampa: Pepin Heart Institute | Tampa | Florida |
| FLSBX | South Broward Hospital District d/b/a Memorial Healthcare System | Hollywood | Florida |
| FLSJ | St. Joseph’s Hospital | Tampa | Florida |
| FLSL | Mayo Clinic Jacksonville | Jacksonville | Florida |
| FLTG | Tampa General Hospital | Tampa | Florida |
| FLUF | Shands at the University of Florida | Gainesville | Florida |
| GACGX | The Medical Center of Central Georgia | Macon | Georgia |
| GAEM | Emory University Hospital | Atlanta | Georgia |
| GAPH | Piedmont Hospital | Atlanta | Georgia |
| GASJ | Saint Joseph’s Hospital of Atlanta, Inc | Atlanta | Georgia |
| GAWKX | WellStar Kennestone Regional Medical Center | Marietta | Georgia |
| IAIV | University of Iowa Hospitals and Clinics | Iowa City | Iowa |
| IAMM | Iowa Heart Center | Des Moines | Iowa |
| ILAB | Alexian Brothers Medical Center | Elk Grove Village | Illinois |
| ILCH | Advocate Christ Medical Center | Oak Lawn | Illinois |
| ILEH | NorthShore University Health System | Evanston | Illinois |
| ILLU | Loyola University Medical Center | Maywood | Illinois |
| ILNM | Northwestern Memorial Hospital | Chicago | Illinois |
| ILPL | Rush University Medical Center | Chicago | Illinois |
| ILSF | OSF St Francis Medical Center | Peoria | Illinois |
| ILUC | University of Chicago Hospitals | Chicago | Illinois |
| INIHX | The Indiana Heart Hospital | Indianapolis | Indiana |
| INIM | Methodist Hospital | Indianapolis | Indiana |
| INLH | Lutheran Hospital of Indiana | Fort Wayne | Indiana |
| INSV | St. Vincent Hospital and Health Care Center | Indianapolis | Indiana |
| KSUK | The University of Kansas Hospital | Kansas City | Kansas |
| KYJH | Jewish Hospital | Louisville | Kentucky |
| KYNA | Norton Audubon Hospital | Louisville | Kentucky |
| KYSE | St. Elizabeth’s Hospital | Edgewood | Kentucky |
| KYUK | University of Kentucky Chandler Medical Center | Lexington | Kentucky |
| LAOF | Ochsner Medical Center | New Orleans | Louisiana |
| MABI | Beth Israel Deaconess Medical Center | Boston | Massachusetts |
| MABS | Baystate Medical Center | Springfield | Massachusetts |
| MAMG | Massachusetts General Hospital | Boston | Massachusetts |
| MANM | Tufts Medical Center | Boston | Massachusetts |
| MAPB | Brigham and Women’s Hospital | Boston | Massachusetts |
| MAUM | University of Massachusetts | Worcester | Massachusetts |
| MDJH | The Johns Hopkins Hospital | Baltimore | Maryland |
| MDUM | University of Maryland Medical Center | Baltimore | Maryland |
| MEMC | Maine Medical Center | Portland | Maine |
| MIHF | Henry Ford Hospital | Detroit | Michigan |
| MISHX | Spectrum Health Hospitals | Grand Rapids | Michigan |
| MIUM | University of Michigan Health Systems | Ann Arbor | Michigan |
| MNAN | Abbott Northwestern Hospital | Minneapolis | Minnesota |
| MNSM | Mayo Clinic Rochester MN | Rochester | Minnesota |
| MNUM | University of Minnesota Medical Center-Fairview | Minneapolis | Minnesota |
| MOBH | Barnes-Jewish Hospital | St. Louis | Missouri |
| MOCH | St. Louis Children’s Hospital | St. Louis | Missouri |
| MOLH | Mid America Heart Institute of Saint Luke’s Hospital | Kansas City | Missouri |
| MSUM | University of Mississippi Medical Center | Jackson | Mississippi |
| NCBG | North Carolina Baptist Hospital | Winston Salem | North Carolina |
| NCCHX | Cone Health System | Greensboro | North Carolina |
| NCCM | Carolinas Medical Center | Charlotte | North Carolina |
| NCDU | Duke University Medical Center | Durham | North Carolina |
| NCEC | Vidant Medical Center | Greenville | North Carolina |
| NCMH | University of North Carolina Hospitals | Chapel Hill | North Carolina |
| NCMMX | Mission Hospital | Asheville | North Carolina |
| NEBM | BryanLGH Medical Center | Lincoln | Nebraska |
| NEUN | University of Nebraska Medical Center | Omaha | Nebraska |
| NJBI | Newark Beth Israel Medical Center | Newark | New Jersey |
| NJDHL | Deborah Heart and Lung Center | Brown Mills | New Jersey |
| NJHK | Hackensack University Medical Center | Hackensack | New Jersey |
| NJMMX | Morristown Memorial Hospital – Atlantic Health | Morristown | New Jersey |
| NJRW | Robert Wood Johnson University Hospital | New Brunswick | New Jersey |
| NVSUN | Sunrise Health and Medical Center | Las Vegas | Nevada |
| NYCP | Columbia University Medical Center-NY Presbyterian | New York | New York |
| NYFL | University of Rochester Medical Center (Strong Memorial Hospital) | Rochester | New York |
| NYLH | Langone Long Island Hospital | New York | New York |
| NYMA | Montefiore Medical Center | Bronx | New York |
| NYMMX | Maimonides Medical Center | brooklyn | New York |
| NYMS | Mount Sinai Medical | New York | New York |
| NYNS | North Shore University Hospital, Northwell Health | Manhasset | New York |
| NYNY | Weill Cornell Medical Center/New York Presbyterian Medical Center | New York | New York |
| NYRG | Rochester General Hospital | Rochester | New York |
| NYSB | Stony Brook University Medical Center | Stony Brook | New York |
| NYSFX | St. Francis Hospital, The Heart Center | Roslyn | New York |
| NYSPX | St Peters Hospital | Albany | New York |
| NYUC | New York University Medical Center | New York | New York |
| NYWC | Westchester Medical Center | Valhalla | New York |
| OHBN | Bethesda North Hospital | Cinncinnati | Ohio |
| OHCC | Cleveland Clinic | Cleveland | Ohio |
| OHOU | The Ohio State University Medical Center | Columbus | Ohio |
| OHRMX | Riverside Methodist Hospital OhioHealth | Columbus | Ohio |
| OHSAC | Summa Health Akron City Hospital | Akron | Ohio |
| OHTC | The Christ Hospital | Cincinnati | Ohio |
| OHUC | UC Health University Hospital | Cincinnati | Ohio |
| OHUH | University Hospitals Case Medical Center | Cleveland | Ohio |
| OKBC | INTEGRIS BAPTIST MEDICAL CENTER | Oklahoma City | Oklahoma |
| OKHL | Hillcrest Medical Center | Tulsa | Oklahoma |
| ORKSX | Kaiser Sunnyside Medical Center | Clackamas | Oregon |
| ORSV | Providence St. Vincent Medical Center | Portland | Oregon |
| ORUO | Oregon Health & Science University | Portland | Oregon |
| PAAE | Albert Einstein Medical Center | Philadelphia | Pennsylvania |
| PAAG | Allegheny General Hospital | Pittsburgh | Pennsylvania |
| PAAMX | Abington Memorial Hospital | Abington | Pennsylvania |
| PAGM | Geisinger Clinic | Danville | Pennsylvania |
| PAHE | Penn State Milton S. Hershey Medical Center | Hershey | Pennsylvania |
| PALGX | Lancaster General Hospital | Lancaster | Pennsylvania |
| PALV | Lehigh Valley Health Network | Allentown | Pennsylvania |
| PAPPX | Penn Presbyterian Medical Center | Philadelphia | Pennsylvania |
| PAPT | University of Pittsburgh Medical Center | Pittsbugh | Pennsylvania |
| PASLX | St Lukes University Health Network | Bethlehem | Pennsylvania |
| PATJ | Thomas Jefferson University | Philadelphia | Pennsylvania |
| PATU | Temple University Hospital | Philadelphia | Pennsylvania |
| PAUP | Hospital of the University of Pennsylvania | Philadelphia | Pennsylvania |
| PAYHX | York Hospital | York | Pennsylvania |
| SCMU | Medical University of South Carolina Medical Center | Charleston | South Carolina |
| SCPHX | Prisma Health | Columbia | South Carolina |
| STS | Society of Thoracic Surgeons | Chicago | Illinois |
| TNBM | Baptist Memorial Hospital – Memphis | Memphis | Tennessee |
| TNST | Saint Thomas Hospital | Nashville | Tennessee |
| TNTS | TriStar Medical Center | Nashville | Tennessee |
| TNVU | Vanderbilt University Medical Center – Vanderbilt Heart and Vascular Institute | Nashville | Tennessee |
| TXASFW | Baylor Scott & White All Saints Medical Center Fort Worth | Fort Worth | Texas |
| TXBPX | THE HEART HOSPITAL Baylor Plano | Plano | Texas |
| TXCM | Children’s Medical Center | Dallas | Texas |
| TXCT | Seton Medical Center – Austin | Austin | Texas |
| TXHD | Medical City Dallas Hospital | Dallas | Texas |
| TXHH | Memorial Hermann Texas Medical Center | Houston | Texas |
| TXHHMC | HCA Houston Healthcare Medical Center | Houston | Texas |
| TXHI | Baylor St. Luke’s Medical Center / St. Luke’s Episcopal Hospital / Texas Heart Institute | Houston | Texas |
| TXHS | Methodist Specialty and Transplant Hospital | San Antonio | Texas |
| TXJS | University of Texas Medical Branch | Galveston | Texas |
| TXLG | University Medical Center | Lubbock | Texas |
| TXMH | Houston Methodist Hospital | Houston | Texas |
| TXSD | St. David’s Heart Hospital | Austin | Texas |
| TXSP | UT Southwestern Medical Center | Dallas | Texas |
| TXSW | Scott & White Hospital | Temple | Texas |
| TXTC | Texas Children’s Hospital | Houston | Texas |
| TXTX | Baylor University Medical Center/Baylor Scott and White Research Institute | Dallas | Texas |
| UTLD | Intermountain Heart Institute-Artificial Heart Program | Murray | Utah |
| UTMC | University of Utah Health | Salt Lake City | Utah |
| VACJX | CJW Medical Center | Richmond | Virginia |
| VAFH | Inova Fairfax Hospital | Falls Church | Virginia |
| VAMC | Virginia Commonwealth University Health System | Richmond | Virginia |
| VANG | Sentara Norfolk General Hospital | Norfolk | Virginia |
| VARM | Carilion Roanoke Memorial Hospital | Roanoke | Virginia |
| VASMX | St Mary’s Hospital | Richmond | Virginia |
| VAUV | University of Virginia Health System | Charlottesville | Virginia |
| WAMHX | MultiCare Health Systems | Tacoma | Washington |
| WASH | Inland Northwest Thoracic Organ Transplant Program – Sacred Heart Medical Center | Spokane | Washington |
| WAUW | University of Washington Medical Center | Seattle | Washington |
| WISE | Froedtert & The Medical College of Wisconsin | Milwaukee | Wisconsin |
| WISL | St. Luke’s Medical Center | Milwaukee | Wisconsin |
| WIUW | University of Wisconsin Hospital and Clinics | Madison | Wisconsin |
| WVUH | West Virginia University Hospitals | Morgantown | West Virginia |
| XCAALAH | University of Alberta Hospital | Edmonton, Alberta | Alberta |
| XCABCSP | St Paul’s Hospital | Vancouver | British Columbia |
| XCANSHA | Nova Scotia Health Authority | Halifax | Nova Scotia |