| ABMR | antibody-mediated rejection |
| Abs | antibodies |
| AIH | autoimmune hepatitis |
| AMA | anti-mitochondrial antibodies |
| ANCA | anti-neutrophil cytoplasmic autoantibodies |
| anti-HBc Abs | anti-hepatitis B core antibodies |
| CNI | calcineurin inhibitors |
| CR | clinical recurrence |
| DAA | direct-acting antivirals |
| DM | diabetes mellitus |
| dnDSA | de novo donor specific anti-HLA antibodies |
| DSA | donor specific anti-HLA antibodies |
| FGN | fibrillary glomerulonephritis |
| FSGS | focal segmental glomerulosclerosis |
| g-DSA | intra-graft DSA |
| GAD65 | glutamic acid decarboxylase 65 |
| GBM | anti-glomerular basement membrane |
| GdIgA1 | galactose-deficient IgA1 |
| HBeAg | hepatitis B e antigen |
| HBsAg | hepatitis B surface antigen |
| HBV | hepatitis B virus |
| HCC | hepatocellular carcinoma |
| HCV | hepatitis C virus |
| HLA | human leukocyte antigen |
| IAA | insulin autoantibody |
| IA-2 | insulinoma-associated protein-2 |
| ICA | islet cell antibodies |
| IFTA | interstitial fibrosis and tubular atrophy |
| IgAN | IgA nephropathy |
| IVIG | intravenous immunoglobulin therapy |
| mCR | mild-to-moderate clinical recurrence |
| MELD | model for end-stage liver disease |
| MN | membranous nephropathy |
| MPGN | membranoproliferative glomerulonephritis |
| mTOR | mammalian target of rapamycin |
| PBC | primary biliary cholangitis |
| PLA2R | anti-phospholipase A2 receptor antibodies |
| PR | pathological recurrence |
| PSC | primary sclerosing cholangitis |
| RPGN | rapidly progressive glomerulonephritis |
| s-DSA | serum DSA |
| sCR | severe clinical recurrence |
| SLE | systemic lupus erythematosus |
| suPAR | soluble urokinase type plasminogen activator receptor |
| SVR | sustained virological response |
| TCMR | T cell-mediated rejection |
| THSD7A | thrombospondin type-1 domain-containing 7A antibodies |
| UDCA | ursodeoxycholic acid |
| ZnT8 | zinc transporter 8 |
| αIgA | anti-GdIgA1 IgG |