Table 3

Dental utilization classification and their associated CDT-3 treatment codesa


Code Type

CDT-3 codes

Periodontal Treatmentb


D4000 – D4999

Periodontitis Codes


D4220, D4240, D4245, D4260, D4263, D4264, D4266, D4267, D4268, D4274, D4341, D4381

Gingivitis Codes


All other D4000–D4999 codes

Dental Maintenance Services (DMS)c


D0120, D0150, D0180, D0210–0470, D1110–1205, D1330, D0140, D0160, D0170, D0472, D1310–1320, D1351

All Other Dental Servicesd


D5000–9974, D0473–0999, D1352–3999

a CDT-3: Current Dental Terminology: Users Manual/American Dental Association. Version 2000, Chicago, Ill.: American Dental Association, 1999

bIncludes all codes related to periodontal treatment including scaling and root planing and periodontal surgical procedures

cIncludes examination and preventative treatment

dIncludes restorative and prosthetic treatment

Albert et al. BMC Health Services Research 2006 6:103   doi:10.1186/1472-6963-6-103

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