DeniseRN_TPA said:

Worth answering the question that was asked rather than the one behind it.

That is right, and it stops being right at the edges. The general case is well behaved; the interesting cases in this thread are all at the boundary where the general case breaks.

andrew_nyc said:

My experience ordering cross-border ordering internationally: I've ordered from an Australian compounder.

Bookmarking. The distinction being drawn above is the one nobody else makes.

DeniseRN_TPA said:

Worth answering the question that was asked rather than the one behind it.

I do not accept the framing. The question has been narrowed to the version that has a tidy answer, and the part that was dropped is the part the OP actually asked about.

One concrete data point for the thread. Worth stating the units and the reference range whenever you post a number here. A large fraction of the apparent disagreement in these threads is two people using different units and both being right.

Moderator note: good thread. Keeping it here rather than moving it, because the question is general enough to be useful. No action needed from anybody.