trying to get tested for pyroluria through Vitamin Diagnostics - have some questions

I have hear that Vitamin Diagnostics is the best lab to use for testing for KPU and HPU, but I need to know how to contact them. I know they are in New Jersey, but haven't been able to find a phone number for them.
Does anyone have a phone number for the lab?
Do you need a doctor's order for this lab, or can you order it yourself?
Does anyone know if the testing is covered by Medicare?
Really appreciate any help I can get with this! Tweet