I like questions that help facilitate the digging.
Post# of 1481
http://www.sdpharmlabs.com/
So, in hopes of more definitively answering your question, I went to their site and found that their Sample Intake Specialist has direct experience with MYDX listed in her profile:
Sample Intake Specialist
Alicia Morf
"...Throughout this time, Alicia has been deeply involved in the cannabis community in San Diego. She has experience working with handheld cannabis testing devices for MyDX and writing cannabis blogs..."
http://www.sdpharmlabs.com/pages/about-us