Late renal dysfxn

usual AKI causes + calcineurin tox, rejection (NEJM 2010;363:1451), BK virus, recurrence of 1° disease; usual w/u + immunosupp levels, donor-specific antigen (DSA), BK virus load, U/S, then bx if no other cause (CJASN 2008;3:S56; CJASN 2011;6:1774)