The issue I saw one person have is that they printed out the wrong document. When you use eMed/Navica I believe you get two E-Mails.
One is the Navica E-Mail which states your results, but isn't on official-looking letterhead with a laboratory name and a doctor's signature.
The other has an attached PDF from eMed Labs with the lab director's signature, contact information, your name/DOB/Gender, and type of test with result clearly listed.