Because the current test is a marker test and not a direct gene test, I don't know how useful the test would be. This is a question you would have to ask directly to the researchers.
Did you enter him on the CPP site? If the blood was received it will be marked there. They do not send any notice that it was received. But interesting that the ck was not cashed yet… could be that it has not been recorded yet since you did send on a Thursday to arrive on Friday... and Monday was a holiday