The genomics trade journal website Genomeweb provides both subscription and non subscription material. On February 4, 2016, they published a long article by Turna Ray on next steps for the FDA LDT guidance, whether and how it will be finalized. It's a 1600 word update on the topic. Here.
The article also includes a 10 page online PDF which compares a range of different proposals and positions on the LDT reform topic (here).
On February 9, the subscription trade journal Inside Health Policy also posted a long article about FDA and LDT issues, here.