K02.6 is a "category code," which means it's non-billable. Billable codes require more specificity. Use the list below to navigate to codes that are more specific:
10
K02.61
Dental caries on smooth surface limited to enamel
Billable
10
K02.62
Dental caries on smooth surface penetrating into dentin
Billable
10
K02.63
Dental caries on smooth surface penetrating into pulp
Billable