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ICD-10-CM · FY 2026 APRIL UPDATE

K02

Dental caries

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027
SourceCMS ICD-10-CM order file
ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

CODEDESCRIPTIONTYPE
K02.3Arrested dental cariesBillable
K02.5Dental caries on pit and fissure surfaceCategory
K02.51Dental caries on pit and fissure surface limited to enamelBillable
K02.52Dental caries on pit and fissure surface penetrating into dentinBillable
K02.53Dental caries on pit and fissure surface penetrating into pulpBillable
K02.6Dental caries on smooth surfaceCategory
K02.61Dental caries on smooth surface limited to enamelBillable
K02.62Dental caries on smooth surface penetrating into dentinBillable
K02.63Dental caries on smooth surface penetrating into pulpBillable
K02.7Dental root cariesBillable
K02.9Dental caries, unspecifiedBillable

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.