ICD-10-CM
ICD-10 code for Cavities: K02.9
The CDC title for "Cavities" is K02 (Dental caries), a header that is not billable. When nothing more specific is documented, the billable code is K02.9, Dental caries, unspecified.
Source: CDC ICD-10-CM FY2027 order file dated June 16, 2026. Publisher page
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Codes under K02, then other CDC titles that name dental caries
A header groups codes and is not billed. A billable code is one you can report.
- K02Dental cariesHeader
- K02.3Arrested dental cariesBillable
- K02.5Dental caries on pit and fissure surfaceHeader
- 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 surfaceHeader
- 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
- Z91.841Risk for dental caries, lowBillable
- Z91.842Risk for dental caries, moderateBillable
- Z91.843Risk for dental caries, highBillable
- Z91.849Unspecified risk for dental cariesBillable
Related conditions
Related pages
- K02.9 code detailsNotes, nearby codes, CMS-HCC group
- Category K02Every code under it
- Chapter 11Diseases of the digestive system
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Cavities?
The CDC title for "Cavities" is K02 (Dental caries), a header that is not billable. When nothing more specific is documented, the billable code is K02.9, Dental caries, unspecified.
Is K02.9 billable?
Yes. K02.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is K02.9 in?
Chapter 11. Diseases of the digestive system.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.