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

Table 3 Dental utilization classification and their associated CDT-3 treatment codes^a

Category	Code Type	CDT-3 codes
Periodontal Treatment^b	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 Services^d	CDT-3	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

ISSN: 1472-6963