It is a PROCESS! lol Blood type is only one of the steps for a match. They will also look at tissue types for antigens. There is a score they provide you for a match, I believe 8 was the highest, but please do not quote me on that as it has been a while now. There are several markers they look at to establish a matching score. It does not have to be a perfect match, but obviously that reduces complications. If you receive a deceased donor, that scoring is a bit different.

First, willing donors reached out to the transplant team to apply. The first screen established a blood type match and ruled out any huge red flags for donation (high blood pressure, history of kidney issues, etc..). The donor has their own "transplant team" to ensure that their best interests are at heart. The team will ensure mental and physical fitness and make every effort to eliminate risks to the donor. They want to be sure beyond a doubt that there are no health issues that would put them at risk later on with one kidney. Tests include cancer screenings such as blood work, mammogram, and colonoscopy. An ultrasound to look at the kidneys, arteries, and veins, Heart health tests, and many other labs. With the family history, his sister even underwent DNA screening.

I remember this process feeling slow, we were always waiting for some sort of test. My best piece of advice to you is this, research your transplant center very carefully. Once you are on the path of evaluations insurance can prohibit you from getting a second opinion. Ensure you do research and find a team you are 100% comfortable with because you will be on that team for the rest of your life. Find a great place that feels like they have your best interest at heart.