Library
CDT code library.
A working reference for the CDT codes you use every week. Each page covers what the code includes, how to bill it, what documentation payers expect, and the denials it draws.
118 codes
- D0120 Periodic oral evaluation, established patient Diagnostic
- D0140 Limited oral evaluation, problem-focused Diagnostic
- D0145 Oral evaluation for a child under three with caregiver counseling Diagnostic
- D0150 Comprehensive oral evaluation, new or established patient Diagnostic
- D0180 Comprehensive periodontal evaluation for new or established patients Diagnostic
- D0210 Intraoral - comprehensive series of radiographic images Diagnostic
- D0220 Intraoral, periapical first radiographic image Diagnostic
- D0230 Intraoral periapical, each additional radiographic image Diagnostic
- D0270 Bitewing, single radiographic image Diagnostic
- D0272 Bitewings, two radiographic images Diagnostic
- D0274 Bitewings, four radiographic images Diagnostic
- D0330 Panoramic radiographic image Diagnostic
- D0350 2D oral or facial photographic image, intraoral or extraoral Diagnostic
- D0364 Cone beam CT capture and interpretation, limited field of view (less than one jaw) Diagnostic
- D0367 Cone beam CT capture and interpretation, both jaws Diagnostic
- D0461 Testing for cracked tooth Diagnostic
- D0470 Diagnostic casts (study models of the teeth) Diagnostic
- D1110 Prophylaxis, adult Preventive
- D1120 Prophylaxis, child Preventive
- D1206 Topical application of fluoride varnish Preventive
- D1208 Topical application of fluoride, excluding varnish Preventive
- D1351 Sealant, per tooth Preventive
- D1352 Preventive resin restoration, permanent tooth (deleted 2026) Preventive
- D1354 Interim caries arresting medicament application, per tooth Preventive
- D1355 Caries preventive medicament application, per tooth Preventive
- D1510 Space maintainer, fixed, unilateral, per quadrant Preventive
- D2140 Amalgam, one surface, primary or permanent Restorative
- D2150 Amalgam restoration, two surfaces, primary or permanent tooth Restorative
- D2330 Resin-based composite, one surface, anterior Restorative
- D2331 Resin-based composite, two surfaces, anterior Restorative
- D2332 Resin-based composite, three surfaces, anterior Restorative
- D2335 Resin-based composite, four or more surfaces, anterior Restorative
- D2391 Resin-based composite, one surface, posterior Restorative
- D2392 Resin-based composite, two surfaces, posterior Restorative
- D2393 Resin-based composite, three surfaces, posterior Restorative
- D2394 Resin-based composite, four or more surfaces, posterior Restorative
- D2740 Crown, porcelain/ceramic substrate Restorative
- D2750 Crown, porcelain fused to high noble metal Restorative
- D2790 Crown, full cast high noble metal Restorative
- D2792 Crown, full cast noble metal Restorative
- D2920 Re-cement or re-bond crown Restorative
- D2929 Prefabricated porcelain/ceramic crown, primary tooth Restorative
- D2930 Prefabricated stainless steel crown, primary tooth Restorative
- D2940 Placement of an interim direct restoration Restorative
- D2950 Core buildup, including any pins when required Restorative
- D2952 Cast post and core in addition to crown, indirectly fabricated Restorative
- D2954 Prefabricated post and core placed with a crown Restorative
- D2962 Labial veneer, porcelain/ceramic, laboratory Restorative
- D2991 Hydroxyapatite regeneration medicament applied to a single tooth Restorative
- D3110 Pulp cap, direct, excluding final restoration Endodontics
- D3120 Pulp cap, indirect, excluding final restoration Endodontics
- D3220 Therapeutic pulpotomy (excluding final restoration) Endodontics
- D3310 Endodontic therapy, anterior tooth (excluding final restoration) Endodontics
- D3320 Endodontic therapy, premolar (excluding final restoration) Endodontics
- D3330 Endodontic therapy, molar (excluding final restoration) Endodontics
- D4210 Gingivectomy or gingivoplasty, four or more teeth per quadrant Periodontics
- D4260 Osseous surgery, four or more teeth per quadrant, including flap and closure Periodontics
- D4341 Periodontal scaling and root planing, four or more teeth per quadrant Periodontics
- D4342 Periodontal scaling and root planing, one to three teeth per quadrant Periodontics
- D4346 Full-mouth therapeutic scaling for generalized moderate to severe gingival inflammation Periodontics
- D4381 Localized delivery of antimicrobial agents into a periodontal pocket, per tooth Periodontics
- D4910 Periodontal maintenance Periodontics
- D5110 Complete denture, maxillary Prosthodontics, removable
- D5120 Complete denture, mandibular Prosthodontics, removable
- D5211 Maxillary partial denture, resin base, including clasps, rests, and teeth Prosthodontics, removable
- D5213 Maxillary partial denture, cast metal framework with resin denture bases Prosthodontics, removable
- D5214 Mandibular partial denture, cast metal framework with resin denture bases Prosthodontics, removable
- D5225 Maxillary partial denture, flexible base, including clasps, rests, and teeth Prosthodontics, removable
- D6010 Surgical placement of implant body: endosteal implant Implant services
- D6056 Prefabricated abutment, includes modification and placement Implant services
- D6057 Custom fabricated abutment, includes placement Implant services
- D6058 Abutment supported porcelain/ceramic crown Implant services
- D6065 Implant-supported porcelain/ceramic crown Implant services
- D6068 Abutment-supported retainer for a porcelain/ceramic fixed bridge Implant services
- D6080 Implant maintenance for a full-arch fixed hybrid prosthesis that is removed and reinserted Implant services
- D6104 Bone graft at the time of implant placement Implant services
- D6190 Radiographic and surgical implant index, by report Implant services
- D6240 Pontic, porcelain fused to high noble metal Prosthodontics, fixed
- D6245 Pontic, porcelain/ceramic Prosthodontics, fixed
- D6280 Implant maintenance procedures, full arch removable implant/abutment supported denture Implant services
- D6740 Retainer crown, porcelain/ceramic, for a fixed partial denture Prosthodontics, fixed
- D6750 Retainer crown, porcelain fused to high noble metal Prosthodontics, fixed
- D7111 Extraction of coronal remnants of a primary tooth Oral surgery
- D7140 Extraction, erupted tooth or exposed root Oral surgery
- D7210 Extraction of erupted tooth requiring removal of bone Oral surgery
- D7220 Removal of an impacted tooth covered by soft tissue Oral surgery
- D7230 Removal of an impacted tooth partially covered by bone Oral surgery
- D7240 Removal of impacted tooth, completely bony Oral surgery
- D7250 Removal of residual tooth roots by a cutting procedure Oral surgery
- D7310 Alveoloplasty done with extractions, four or more teeth or spaces in a quadrant Oral surgery
- D7950 Osseous, osteoperiosteal, or cartilage graft of the mandible or maxilla, by report Oral surgery
- D7951 Sinus augmentation with bone or bone substitutes via a lateral open approach Oral surgery
- D7953 Bone replacement graft for ridge preservation, per site Oral surgery
- D7956 Guided tissue regeneration at an edentulous site, resorbable barrier, per site Oral surgery
- D8020 Limited (narrow-objective) ortho in the transitional, mixed-teeth dentition Orthodontics
- D8070 Comprehensive orthodontic treatment of the transitional dentition Orthodontics
- D8080 Comprehensive orthodontic treatment of the adolescent dentition Orthodontics
- D8090 Comprehensive orthodontic treatment of the adult dentition Orthodontics
- D8210 Removable appliance therapy to control a harmful oral habit Orthodontics
- D8220 Fixed appliance therapy to control a harmful oral habit Orthodontics
- D8670 Periodic orthodontic treatment visit, part of an active treatment contract Orthodontics
- D8680 Orthodontic retention: removing the appliances and building and placing the retainer Orthodontics
- D8695 Removal of fixed orthodontic appliances for a reason other than finishing treatment Orthodontics
- D9110 Palliative treatment of dental pain, per visit Adjunctive services
- D9120 Fixed partial denture sectioning Adjunctive services
- D9128 Photobiomodulation therapy, first 15-minute increment Adjunctive services
- D9222 Deep sedation or general anesthesia, first 15 minutes Adjunctive services
- D9230 Administration of nitrous oxide as a single sedation agent Adjunctive services
- D9243 IV moderate (conscious) sedation, each additional 15 minutes Adjunctive services
- D9244 In-office administration of minimal sedation, single drug, enteral Adjunctive services
- D9245 Moderate sedation, enteral Adjunctive services
- D9248 Non-intravenous conscious sedation (deleted 2026) Adjunctive services
- D9310 Consultation by a dentist or physician other than the one providing treatment Adjunctive services
- D9610 Single in-office injection of a therapeutic drug Adjunctive services
- D9941 Fabrication of a custom athletic mouthguard Adjunctive services
- D9944 Occlusal guard, hard appliance, full arch Adjunctive services
- D9945 Occlusal guard, soft appliance, full arch Adjunctive services
- D9972 External bleaching, per arch, in office Adjunctive services
CDT codes are maintained by the American Dental Association. These pages are editorial billing guides, not official ADA code descriptors.