K02
Non-Billable

Dental caries

Non-Billable / Non-Specific Code

What is Dental caries?

ICD-10-CM K02 is the diagnosis code for Dental caries. This code falls under the section "Diseases of oral cavity and salivary glands" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for K02

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where K02 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 5 entries
K02.3Arrested dental cariesBillableK02.5Dental caries on pit and fissure surfaceNon-BillableK02.51Dental caries on pit and fissure surface limited to enamelBillableK02.52Dental caries on pit and fissure surface penetrating into dentinBillableK02.53Dental caries on pit and fissure surface penetrating into pulpBillableK02.6Dental caries on smooth surfaceNon-BillableK02.61Dental caries on smooth surface limited to enamelBillableK02.62Dental caries on smooth surface penetrating into dentinBillableK02.63Dental caries on smooth surface penetrating into pulpBillableK02.7Dental root cariesBillableK02.9Dental caries, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is K02 a billable ICD-10-CM code?

No, K02 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does K02 mean?

K02 is the ICD-10-CM diagnosis code for "Dental caries". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is K02 in?

K02 is located in Section K00-K14 — "Diseases of oral cavity and salivary glands" within Chapter 11 of the ICD-10-CM Tabular List.

What are the sub-codes of K02?

K02 has 5 sub-code(s) that provide more specific detail: K02.3, K02.5, K02.6, K02.7, K02.9.

When should I use K02?

Use K02 when the patients documented diagnosis matches "Dental caries" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Dental caries?

The ICD-10-CM code for Dental caries is K02.

Can K02 be used for primary diagnosis?

No, K02 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is K02 in?

K02 is in Chapter 11 of the ICD-10-CM Tabular List.

Is K02 valid for 2026?

Yes, K02 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousK01.1Impacted teethNext →K02.3Arrested dental caries
Code Details
K02
Dental caries
Non-Billable / Non-Specific Code
11 — Diseases of the digestive system (K00-K95)
K00-K14 — Diseases of oral cavity and salivary glands
2026 ICD-10-CM