Your future uninsurability is guaranteed, once off a plan.    From Wordnik.com.  [Is this another rule I should break? | Johnny B. Truant] Reference

Howard, you mentioned the uninsurability that she now faces in Hollywood.    From Wordnik.com.  [CNN Transcript May 29, 2007] Reference

Perhaps it only puts you at risk for later kidney disease (which would explain the issues raised about not being insurable if you donate), but I’m fairly certain I recall a physician telling me years ago that donating basically assures you of eventual kidney dysfunction (which would most certainly explain the uninsurability).    From Wordnik.com.  [The Volokh Conspiracy » “Should a Parent Be Required To Donate a Kidney to a Child Who Needs a Life-Saving Transplant?”] Reference