Code	What it covers	Category
D2999	Unspecified restorative procedure (by report)	Restorative
D3110	Pulp cap — direct (excluding final restoration)	Endodontics
D3120	Pulp cap — indirect (excluding final restoration)	Endodontics
D3220	Therapeutic pulpotomy (excluding final restoration)	Endodontics
D3221	Pulpal debridement, primary and permanent teeth	Endodontics
D3222	Partial pulpotomy for apexogenesis — permanent tooth with incomplete root development	Endodontics
D3230	Pulpal therapy (resorbable filling) — anterior, primary tooth (excluding final restoration)	Endodontics
D3240	Pulpal therapy (resorbable filling) — posterior, primary tooth (excluding final restoration)	Endodontics
D3310	Endodontic therapy, anterior tooth (excluding final restoration)	Endodontics
D3320	Endodontic therapy, premolar tooth (excluding final restoration)	Endodontics
D3330	Endodontic therapy, molar tooth (excluding final restoration)	Endodontics
D3331	Treatment of root canal obstruction; non-surgical access	Endodontics
D3332	Incomplete endodontic therapy; inoperable, unrestorable, or fractured tooth	Endodontics
D3333	Internal root repair of perforation defects	Endodontics
D3346	Retreatment of previous root canal therapy — anterior	Endodontics
D3347	Retreatment of previous root canal therapy — premolar	Endodontics
D3348	Retreatment of previous root canal therapy — molar	Endodontics
D3351	Apexification — initial visit	Endodontics
D3352	Apexification — interim medication replacement	Endodontics
D3353	Apexification — final visit	Endodontics
D3355	Pulpal regeneration — initial visit	Endodontics
D3410	Apicoectomy — anterior tooth	Endodontics
D3421	Apicoectomy — premolar (first root)	Endodontics
D3425	Apicoectomy — molar (first root)	Endodontics
D3426	Apicoectomy — each additional root	Endodontics
D3427	Periradicular surgery without apicoectomy	Endodontics
D3428	Bone graft with periradicular surgery (single site)	Endodontics
D3430	Retrograde (root-end) filling — per root	Endodontics
D3431	Biologic materials with periradicular surgery	Endodontics
D3432	Guided tissue regeneration with root surgery	Endodontics
D3450	Root amputation — per root	Endodontics
D3460	Endodontic endosseous implant	Endodontics
D3470	Intentional reimplantation	Endodontics
D3471	Surgical repair of root resorption — anterior	Endodontics
D3472	Surgical repair of root resorption — premolar	Endodontics
D3473	Surgical repair of root resorption — molar	Endodontics
D3501	Surgical exposure of root surface — anterior	Endodontics
D3502	Surgical exposure of root surface — premolar	Endodontics
D3503	Surgical exposure of root surface — molar	Endodontics
D3910	Surgical isolation of tooth with rubber dam	Endodontics
D3911	Intraorifice barrier	Endodontics
D3920	Hemisection (including any root removal), not including root canal therapy	Endodontics
D3921	Decoronation or submergence of an erupted tooth	Endodontics
D3950	Canal preparation and fitting of preformed dowel/post	Endodontics
D3960	Bleaching of discolored tooth (non-vital, internal)	Endodontics
D3999	Unspecified endodontic procedure (by report)	Endodontics
D4210	Gingivectomy / gingivoplasty (4+ teeth)	Periodontics
D4211	Gingivectomy/gingivoplasty — 1–3 teeth	Periodontics
D4240	Gingival flap surgery with root planing (4+ teeth)	Periodontics
D4249	Clinical crown lengthening (hard tissue)	Periodontics