Reference ranges differ between labs, so comparing two reports is close to meaningless.

Do you contact the customs office or the carrier first?

I would stop trying to convey how bad it is and start saying what you want them to do.

Same shape here, different drug. The thing that helped was documenting the refusal rather than re-arguing it. They refer rather than write.

Sleep first. Bad night, bad day, more symptoms. Fix that before changing anything else.

Three questions kill most of the confidence in a thread like this: sample size, blinding, who paid.