This searches the entire visit, the 
History, 
Exam and 
Assessment and Plan sections, verifying what information has been entered (noting the green indicators), to determine a suggested E&M code. 
   
   
    The system gives a value (or points) for 
History, 
Exam, and 
MDM, and a 
Final Code based on the information documented. 
    
Note: If you update histories, exams or MDM after clicking the E&M Key button, click the button again to update the code.