Preconception Appointment

I have my annual gyn. exam scheduled for about one month before we plan to start TTC. The scheduler made a note on the appointment that I would like to add "preconception counseling" onto this appointment. Is one month before TTC too late? do I need to schedule another appointment earlier than my annual exam specifically for preconception? I've been taking a prenatal for several months now and have no pre-existing medical issues (that I know of).