New CDT Coding Guide Available

Posted on 03/09/2018

CDT code D4355's nomenclature and descriptor, revised in CDT 2018 to make it clear that a comprehensive oral evaluation is not completed on the same day, is an example of when additional information helps understanding. "D4355 – ADA Guide to Reporting Full Mouth Debridement" is the new free guide available online on It answers many questions, starting with "How do I document what I did to determine that a full mouth debridement is necessary?"

Download the new coding guide