Back button focus and spot metering on D200

Hey all, i just have a quick question.
I have recently moved to using back button focus on my d200, but am wondering if there is anyway when using Ap to get the exposure to lock on what i am focusing on besides using the AE-L button.
I have recently moved to using back button focus on my d200, but am wondering if there is anyway when using Ap to get the exposure to lock on what i am focusing on besides using the AE-L button.