TruGraf® Long-term Clinical Outcomes Study

Inclusion Criteria:

• Written informed consent and HIPAA authorization;
• At least 18 years of age;
• Recipient of a primary or subsequent deceased-donor or living-donor kidney transplant;
• At least 3-months post-transplant;
• Stable serum creatinine (per Principal Investigator);
• Treated with any immunosuppressive regimen, and;
• Selected by provider to undergo OmniGraf™ (TruGraf® and TRAC™) testing as part ofpost-transplant care; and

Exclusion Criteria:

• Recipient of a combined organ transplant with an extra-renal organ and/or islet celltransplant;
• Recipient of a previous non-renal solid organ and/or islet cell transplant;
• Known to be pregnant;
• Known to be infected with HIV;
• Known to have Active BK nephropathy;
• Known to have nephrotic proteinuria (Per Principal Investigator);
• Participation in other biomarker studies testing clinical utility.