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