wtf? false positive?

Ao
All were taken within 30 mins of each other. Any ideas or input?
Update: I had a drs appointment on Wednesday and I finally got a call from them with my blood work. They said their test was negative. I'm still so confused. I might have to buy one more test and take with fmu tomorrow morning. 
6/21 12pm: blood test @ drs (negative)
6/22 7 pm: positive digital
6/22 7:30 pm: negative digital & frer