SUBMIT 8-10 ML WHOLE BLOOD OF RECIPIENT ONLY IN 2 STRECK CELL FREE DNA BCT TUBES AVAILABLE FROM TRUEMEDIX. GENTLY MIX BY INVERTING 8-10 TIMES. DO NOT MIX BLOOD SAMPLE VIGOROUSLY. SHIP AT ROOM TEMPERATURE. DO NOT REFRIGERATE OR FREEZE. RECIPIENT SAMPLE SHOULD BE COLLECTED NOT BEFORE 2 WEEKS POST-TRANSPLANTATION; RECIPIENT SHOULD NOT HAVE HAD BLOOD TRANSFUSION THAT CONTAINS WHITE BLOOD CELLS WITHIN THE PAST 30 DAYS (WASHED OR LEUKOCYTE-DEPLETED RBCS ARE ACCEPTABLE); RECIPIENT SHOULD NOT HAVE HAD A BIOPSY WITHIN PAST 24 HRS; RECIPIENT SHOULD NOT HAVE HAD MULTIPLE TRANSPLANTEDORGANS; RECIPIENT SHOULD NOT BE PREGNANT; DO NOT COLLECT SAMPLE OF RECIPIENT IF TRANSPLANT IS FROM A MONOZYGOTIC / IDENTICAL TWIN; DO NOT COLLECT SAMPLE OF RECIPIENT WHO HAS RECEIVED ALLOGENEIC BLOOD OR BONE MARROW TRANSPLANT. DULY FILLED CELL FREE DNA CLINICAL INFORMATION FORM IS MANDATORY.