CP question

I have a doctor that is a personal friend- they wrote my initial nexus a few years ago. I filed for some secondary conditions and was curious. She mentioned that once I’m in the stage for receive a CP exam she can pull me so she can complete the exam. Does anyone know if that happens right when you hit step 3 or?

The other option she said was I can request a local CP on Fridays for example- which is the only day she does them etc.

My doctor knows my situation and I’m comfortable talking with her.

Does anyone know?

Thanks!