With $19M A round, Halo Dx combines data streams to better diagnose cancers, dementia and more Healthcare is one of the most complex industries out there, creating frustration on the consumer side but also the opportunity for huge improvements from, in a way, rather simple methods. Halo Diagnostics (or Dx for short) has raised a $19 million Series A to improve diagnosis of several serious illnesses by crossing the streams from multiple tests and making the improved process easily available to providers. They’ve also taken the unusual step of taking out an eight-figure line of credit to buy outright the medical facilities they’ll need to do it.