ICD-10-CM > K00-K95 > K00-K14 > K02 K02 Dental caries Non-Billable/Non-Specific Includes caries of dentinedental cavitiesearly childhood cariespre-eruptive cariesrecurrent caries (dentino enamel junction) (enamel) (to the pulp)tooth decay Codes K02.3Arrested dental cariesK02.5Dental caries on pit and fissure surfaceK02.51Dental caries on pit and fissure surface limited to enamelK02.52Dental caries on pit and fissure surface penetrating into dentinK02.53Dental caries on pit and fissure surface penetrating into pulpK02.6Dental caries on smooth surfaceK02.61Dental caries on smooth surface limited to enamelK02.62Dental caries on smooth surface penetrating into dentinK02.63Dental caries on smooth surface penetrating into pulpK02.7Dental root cariesK02.9Dental caries, unspecified