you already have another post going. let's keep all your questions/comments/updates in that post instead of making new ones. thanks for your future cooperation with this - our guidelines for the forum are located under the important announcements tab.
You don't want to get an igm test. They are not recommended and you gain nothing from the results. As you said, you've had chicken pox already so the results would be flawed. Read some of the other postings here and you'll see the experts recommend the igg test. Repeat your testing at 3 months like me!