It usually takes about 3 days to 1 week to do the matching test for kidney transplant. It is decided according to the different regions, different hospital grades and different report time. Kidney transplant mating needs to complete blood routine, coagulation function, blood biochemistry, hepatitis series, AIDS, syphilis, abdominal ultrasound, ECG, gastroscopy, chest CT, HLA and PRA mating test, etc. Most of the results will be out on the same day, but some tests may be out on the next day according to each hospital. Most of the results are available on the same day, but for some of the tests, the results may be available the next day, depending on each hospital, and can usually be completed within three days. HLA and PRA matching test is not done in every hospital, this result may be reported within one week or about half a month, depending on different places and hospitals. Usually the matching time for kidney transplant is not long, but the waiting time for kidney source may be longer.