What's going on with my E level?

Last June 2nd I had a 72.85 pg/ml level of estradiol according to blood lab test.

Then last August 18th (just a bit over 2 months later) I got a new lab test made (at a different place) and the result was a whooping 787.0 pg/ml, which is more than 10 times the previous value.

I'm on Lenzetto E spray (4 puffs/day) and Androcur (12.5 mg/day). The day before the test I only had 2 puffs of Lenzetto in the morning, but none in the night since I was going to do the test the next morning, and I didn't use the Lenzetto spray again until after the blood test. As far as I can remember, I cleaned my arms to prevent false results, but maybe I did something wrong?

Is this result even possible with Lenzetto? (which I've read can have some absorption issues). Maybe there is some kind of error? What can be the problems I could have if the result is correct? My endo just reduced my dose from 4 to 3 puffs a day.