When the doctor performs a root canal through a porcelain crown(already previously fabricated/placed), what does he code “building back up” the tooth as since it’s not for restoration retention? Or is it included int he RCT code. Thanks.December 19, 2013 by Admin « Back to Previous Page Answer Question ▲0 ▼ ♥ 0 Marked as spamAsked on December 19, 201351 viewsFollowUnfollow ▲0 ▼✔ Private answerThe most appropriate code would be D2999 (unspecified restorative procedure) make sure to add a short narraitive to support your code.Marked as spamAnswered on December 20, 2013 « Back to Previous Page Post your AnswerAttach YouTube/Vimeo clip putting the URL in brackets: [https://youtu.be/Zkdf3kaso] Notify me of follow