Periodontics CDT Codes2026 Billing Reference Guide

Surgical removal or reshaping of gum tissue around four or more teeth in a quadrant to treat gum disease or correct gum overgrowth.

Surgical removal or reshaping of gum tissue around one to three teeth in a quadrant to treat gum disease or correct gum overgrowth.

Covers gingivectomy or gingivoplasty to allow access for restorative procedure, per tooth to reshape or remove gum tissue.

Covers anatomical crown exposure - four or more contiguous teeth or tooth bounded spaces per quadrant by removing gum and/or bone tissue to expose more tooth structure.

Covers anatomical crown exposure - one to three teeth or tooth bounded spaces per quadrant by removing gum and/or bone tissue to expose more tooth structure.

Surgical gum flap procedure where the dentist lifts gum tissue to access and clean root surfaces and bone for treatment of advanced periodontal disease.

Covers gingival flap procedure, including root planing - one to three contiguous teeth or tooth bounded spaces per quadrant to treat periodontal disease by removing calculus and bacteria from root surfaces.

Covers a apically positioned flap for surgical access to treat periodontal disease.

Surgical removal of bone and soft tissue to expose more tooth structure for a restoration, commonly needed when a tooth breaks below the gum line.

Periodontal flap surgery with bone recontouring around four or more teeth in a quadrant to treat advanced gum disease with bone loss.

Periodontal flap surgery with bone recontouring around one to three teeth in a quadrant to treat localized advanced gum disease with bone loss.

Placement of bone graft material into a periodontal bone defect around a natural tooth to promote bone regeneration.

Covers bone replacement graft - retained natural tooth - each additional site in quadrant to regenerate or augment periodontal tissue.

Application of biologic growth factors or regenerative materials during periodontal surgery to enhance tissue and bone healing.

Placement of a resorbable membrane barrier during periodontal surgery to guide bone and tissue regeneration into a defect.