I am having trouble finding solid information on how to bill CPT 99444. I see the rules on when it can be billed (must be in response to patient’s online inquiry, only reported once in 7 days for same episode of care, must be an issue not discussed in a prior e/m within the past 7 days).

Does a separate chart note need to be created? What documentation is required? I see there isn’t a time requirement, or a requirement of what work MUST be done. So, I am hoping for a little guidance on how to properly use and bill this code. Per the CPT description, I can see what IS included.

Thanks!
Erin