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TRN-CL2-G02 · v1.0
Jun 11, 2026

Glossary: CDT Procedure Codes

Quick reference for D#### codes · Dental 101
How to use: Codes grouped by category D0xxx-D9xxx. Cmd+F to find specific code.

D0xxx — Diagnostic

CodeProcedureBrandaCare notes
D0120Periodic oral evaluationRecall exam every 6 months
D0140Limited oral evaluationEmergency
D0150Comprehensive oral evaluation (COMPEX)New patient or every 5 years
D0180Comprehensive periodontal evaluationPeriodontal exam
D0210Full mouth intraoral X-ray (FMX)18-film series. Every 3-5 years
D0220 / D0230Periapical (first / additional)PA
D0274Bitewings — 4 filmsOnce per year
D0330Panoramic radiographic imageOverall view
D0470Diagnostic castsWhen not covered → write off

D1xxx — Preventive

CodeProcedureNotes
D1110Prophylaxis - adultRegular adult cleaning
D1120Prophylaxis - childPediatric cleaning
D1208Topical fluorideTypically kids
D1351Sealant per toothMolar caries prevention

D2xxx — Restorative

CodeProcedureNotes
D2140-D2161Amalgam fillingsBy # of surfaces (1-4+)
D2330-D2394Composite/resin fillingsAnterior & posterior
D2740Crown - porcelain/ceramicPaid on prep day (most plans)
D2750Crown - porcelain fused to high noble metal
D2950Core buildupPre-crown rebuild. Shares frequency with D2954
D2954Prefabricated post & coreShares frequency with D2950
D2960-D2962Veneers (laminate)Cosmetic — do NOT submit

D3xxx — Endodontics

CodeProcedure
D3310Anterior root canal
D3320Premolar root canal
D3330Molar root canal (major)
D3346-D3348Retreatment

D4xxx — Periodontics

CodeProcedureNotes
D4341SRP - 4+ teeth per quadrantMax 1× every 24 months. Same day 4 quads = yes in some plans. Shares frequency with D4342
D4342SRP - 1-3 teeth per quadrantShares with D4341
D4910Periodontal maintenancePost-SRP. Some plans every 90d vs 2×/yr (Plan Variant)
D4921Gingival irrigation99% not covered — do NOT bill

D5xxx · D6xxx — Prosthodontics & Implants

CodeProcedure
D5110/D5120Complete denture upper/lower
D5211-D5214Partial dentures
D6010Surgical placement of implant body
D6056-D6057Implant abutments
D6058-D6094Implant crowns
D6240-D6253Bridge pontics & abutments

D7xxx — Oral Surgery

CodeProcedureNotes
D7140Extraction - erupted
D7210Surgical extraction
D7240Wisdom - fully bony
D7311Alveoloplasty same day extraction
D7953Bone graft - ridge preservationOnly same day as extraction. Ref #2000449671055

D8xxx · D9xxx — Ortho & Adjuncts

D80xx-D89xx: orthodontics — always verify lifetime max + age limit + %.

CodeProcedureNotes
D9910Desensitizing medicamentSome cover, many deny
Key BrandaCare rules:
  • D7953: Only billable same day as extraction
  • D4921: Do NOT bill insurance (99% not covered)
  • D0470: If not covered → write off
  • D2950 + D2954: Share frequency limit
  • D4341 + D4342: Share frequency limit
  • Cosmetic codes (D2960-2962, whitening, cosmetic bonding): Do NOT submit