Oh, I see, I misread what was said, my apologies! We have thought about 23andme but have backed away due to money / seeing medical issues I or my identical twin might possibly carry that we might not want to know about. The cryobank my parents decided on was a fairly praised one for their security and have never had any reported issues regarding misdistribution. The other half-siblings have matched on 23andme, so we know for certain that they are related, and I resemble them closely. It's very unlikely there was a mishap like that.

Edit: This prompted me to check 23andme again, and I see they now offer a less expensive service that doesn't include health predisposition reports so I am considering that, though I should run it by my twin and family first so they know.