I would stop trying to convey how bad it is and start saying what you want them to do. Two months in on tramadol and it lines up.

Do you contact the customs office or the carrier first?

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

The hologram is the least useful check because it is the one everybody makes.

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