All of the following labs accept medical insurance.
Stoney Brook Labs for Lyme Serologies and Western Blot.. The web site is http://www.path.sunysb.edu/labsvs/ticklab.htm
Note there is a form that may be printed out for you to take to your doctor. That applies to the following labs also.
Use Medical Diagnostics lab for to test for Babesia.
The web site is www.mdlab.com
Direct Contact informaiton is 2439 Kuser Road, Hamilton, NJ 08690
TL 609-570-1000 or 877-269-0090
You want them to test you for Babesia microti IgG/IGGgM by Elisa.
You could also have them do testing for Lyme along with Stoney Brook.
Lyme Western Blot IgM/IgG
Lyme C6 Peptide by Elisa
Lyme Elisa IgM/IgG
Use BioReference Laboratories for Bartonella, EBV or Epstein Barr Virus, CMV or Cytomeglavirus, Chlamydia Pneumoniae, and Herpes Virus Human IgG & IgM antibodies.
481 Edward Ross Drive
Elmwood Park, NJ 07407
If you do not have medical insurance, then I would start with Stoney Brook.
One more thought - I assume you have had a rheumatological workup? I remember you said you had many many tests.
Whatever direction you go on Monday, I will be thinking of you.