There was a case in 2012 where someone had a DNR tattoo as a joke after losing in poker. It was published in a medical journal: https://link.springer.com/arti

There was a case in 2012 where someone had a DNR tattoo as a joke after losing in poker. It was published in a medical journal: https://link.springer.com/article/10.1007%2Fs11606-012-2059-8 https://link.springer.com/article/10.1007%2Fs11606-012-2059-... The doctors in this case were reportedly aware of this previous precedent: http://wapo.st/2AjHdLb http://wapo.st/2AjHdLb