Organ donations after death should be a Chiyuv because of Pikuach Nefesh. And in a case where there is no Jew in need of a kidney or lung, it is still a Chiyuv of Pikuach Nefesh Mishum Eivah. Even now, many countries won’t send organs to Israel because too many Jews aren’t donors. It’s a complete Pikuach Nefesh. Hands down.
