Table 2.
United Network for Organ Sharing Heart Allocation System as of October 20188
| Status | Criteria |
|---|---|
| Status 1 | Venoarterial extracorporeal membrane oxygenation |
| Nondischargeable, surgically implanted, nonendovascular biventricular support device | |
| Mechanical circulatory support with life-threatening ventricular arrhythmias | |
| Status 2 | Nondischargeable, surgically implanted, nonendovascular left ventricular assist device |
| Intraaortic balloon pump | |
| Ventricular tachycardia or ventricular fibrillation | |
| Mechanical circulatory support with device malfunction/mechanical failure | |
| Total artificial heart, biventricular assist device, right ventricular assist device, or | |
| ventricular assist device for single ventricular patients | |
| Percutaneous endovascular mechanical circulatory support device | |
| Status 3 | Dischargeable left ventricular assist device for up to 30 days |
| Multiple inotropes or single high-dose inotropes with continuous hemodynamic monitoring | |
| Venoarterial extracorporeal membrane oxygenation after 7 days; percutaneous endovascular circulatory device or intraaortic balloon pump after 14 days | |
| Nondischargeable, surgically implanted, nonendovascular left ventricular assist device after 14 days | |
| Mechanical circulatory support with device infection | |
| Mechanical circulatory support with hemolysis | |
| Mechanical circulatory support with pump thrombosis | |
| Mechanical circulatory support with right heart failure | |
| Mechanical circulatory support with mucosal bleeding | |
| Mechanical circulatory support with aortic insufficiency | |
| Status 4 | Stable left ventricular assist device candidates not using 30-day discretionary period |
| Inotropes with hemodynamic monitoring | |
| Retransplant | |
| Diagnosis of congenital heart disease | |
| Diagnosis of ischemic heart disease with intractable angina | |
| Diagnosis of hypertrophic cardiomyopathy | |
| Diagnosis of restrictive cardiomyopathy | |
| Diagnosis of amyloidosis | |
| Status 5a | Combined organ transplants |
| Status 6 | All remaining active candidates |
| Status 7 | Inactive/not transplantable |
aStatus 5 candidates may ascend to higher acuity status if indicated based on cardiac status.