| K02 | Dental caries | NON-BILLABLE CODE |
| K02.3 | Arrested dental caries | BILLABLE CODE |
| K02.5 | Dental caries on pit and fissure surface | NON-BILLABLE CODE |
| K02.51 | Dental caries on pit and fissure surface limited to enamel | BILLABLE CODE |
| K02.52 | Dental caries on pit and fissure surface penetrating into dentin | BILLABLE CODE |
| K02.53 | Dental caries on pit and fissure surface penetrating into pulp | BILLABLE CODE |
| K02.6 | Dental caries on smooth surface | NON-BILLABLE CODE |
| K02.61 | Dental caries on smooth surface limited to enamel | BILLABLE CODE |
| K02.62 | Dental caries on smooth surface penetrating into dentin | BILLABLE CODE |
| K02.63 | Dental caries on smooth surface penetrating into pulp | BILLABLE CODE |
| K02.9 | Dental caries, unspecified | BILLABLE CODE |
