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Table 3 Dental utilization classification and their associated CDT-3 treatment codesa

From: An examination of periodontal treatment and per member per month (PMPM) medical costs in an insured population

Category Code Type CDT-3 codes
Periodontal Treatmentb CDT-3 D4000 – D4999
   Periodontitis Codes CDT-3 D4220, D4240, D4245, D4260, D4263, D4264, D4266, D4267, D4268, D4274, D4341, D4381
   Gingivitis Codes CDT-3 All other D4000–D4999 codes
Dental Maintenance Services (DMS)c CDT-3 D0120, D0150, D0180, D0210–0470, D1110–1205, D1330, D0140, D0160, D0170, D0472, D1310–1320, D1351
All Other Dental Servicesd CDT-3 D5000–9974, D0473–0999, D1352–3999
  1. a CDT-3: Current Dental Terminology: Users Manual/American Dental Association. Version 2000, Chicago, Ill.: American Dental Association, 1999
  2. bIncludes all codes related to periodontal treatment including scaling and root planing and periodontal surgical procedures
  3. cIncludes examination and preventative treatment
  4. dIncludes restorative and prosthetic treatment