Gene:
I agree with Dave, check out E/M University's site. I realized that I can very appropriately charge 99214 for almost all f/u visits and many sick visits. For well child visits be sure your using the up to date codes for immunizations 90460 and 90461. I've been trying to find someone I can call with E&M coding questions. Although I hate having to deal with it--it's essential. As Dave said, proper coding is critical for the financial viability of a practice.
John