What information allergists use from blood drawing is something called IGE ... You may see ads online for kits to test your ...

At-home lab testing typically involves using a kit to collect biological samples ... told Healthline. “Drawing one’s own blood can be daunting and anxiety-ridden for many.

The practice of drawing blood has changed very little over the decades. It looks about the same now as it did 50 years ago. That process, however, may be about to get a modern makeover.