Forum - Questions & Answers
Jul 7th, 2011 - pberrett
E/M guidelines 95 vs 97
What is the difference between 95 and 97 guidelines and HPI
Jul 8th, 2011 - Codapedia Editor 1,399
re: E/M guidelines 95 vs 97
There are a number of articles on Codapedia about this. The two I've linked to below are the most relevant to your question, but search for some related terms and you'll find more.
the short answer: 1997 allows the status of three chronic diseases in place of four HPI elements.
http://codapedia.com/article_85_History-of-the-present-illness.cfm
http://codapedia.com/article_88_Documentation-Guidelines.cfm