Welcome to the forum! It's great that you've found a doctor willing to help you. I would definitely ask your doctor to check for co-infections. It is very important to treat co-infections. Some people don't get better unless co-infections are treated first.
I'm sure a local lab is fine to test for co-infections. Igenex would be better but you'd probably have to pay out of pocket for the test.
Emotional problems with Lyme is very common. Bartonella, a co-infection, also causes emotional problems so you can see how it is important to test.
Did you read the sticky yet at the top of the forum tittled, "New To Lyme?.....Start Here?" There is a post there that explains what each band means.
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Co-Moderator Lyme Disease Forum