Actually, 1.68 isn't all that high when the cut off is 1.10.
And it doesn't matter anyway - the IgM is a pointless test for herpes, so disregard it. If there is a possibility that you have a recent exposure, then test again in a few months.
Aj
And when you get tested again - if you need to - ask for a type specific. If it comes back positive on the combo test, you won't know which type you have.
Aj