They will probably have a hard time with marketing to consumers , because of the alternatives, and the fact that this is limited to a single diagnostic type:

1. Walmart is working with Quest on offering blood testing services on site.

2. This Australian site:https://www.myhealthtest.com is offering mail-order testing services, for some things(for many you need a phlebotomist to draw blood, but maybe that will change[a])

[a]Startups are working on lab-on-test diagnostics, which require small volume, but there's still scientific debate whether sampling blood via finger-prick is pure enough for testing.