Prerenal |
Calcineurin inhibitor–induced vasoconstriction |
Renal artery stenosis due to progressive atherosclerotic disease in anastomosed artery |
Intrarenal |
Immunologically mediated occurrences: cellular and antibody-mediated rejection |
BK nephropathy |
Post-transplant lymphoproliferative disorder |
Recurrences of original diseases |
Diabetic nephropathy, recurrent or de novo if due to new-onset diabetes after transplant |
Calcineurin inhibitor nephrotoxicity |
Pyelonephritis in the transplanted kidney |
Postrenal |
Obstruction from ureteral stricture due to BK or surgical technique or rejection |