There are no restriction to bill these two codes together for the same DOS. However, you want to make sure you are include supporting documentation as to why you performed both procedures on the same day and the time involved. Make sure to include chart notes that document BOTH planning and scaling were performed, not just scaling. Indicate the patient has active perio disease and is in active perio treatment, include their perio condition Class I,II,III. Provide 1-3 teeth numbers for each quadrant planned and scaled, Document the remaining quadrants were not planned or scaled, that plaque, calculus and stains were removed for the remaining quads. Include perio chart, and FMX along with current BWXs if possible.