Depends how long you haven't been purging for. If it's been months, there's a chance they would not send you for bloodwork. But even so, they might anyways.
Other than that, they'd ask you questions relating to your ED, history and mental state and refer you to a therapist who deals with EDs. Not necessarily a specialized team, it depends what resources are available in your area. If there are ED teams accepting new patients, then probably that, but if it's more like a general mental health center, they might just send you there and you'd be able to get a psychiatrist, case manager, therapist, and maybe other supports.
They also may reccommend a nutritionist if you are willing to work on meal plans and vitamins and such.
It is definitely a step in the right direction to do that. I hope you decide to!