ICD10BillableValid for clinical use
ICD-10 Code K02.9: Dental caries, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the digestive system (K00-K95).
When is it used?
- May be used when a clinician documents dental caries, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
11Diseases of the digestive system (K00-K95)
block
K00-K14Diseases of oral cavity and salivary glands
category
K02Dental caries
currentK02
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
GastroenterologistGeneral Physician
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 733968004high
Active dental caries
Source: SNOMED International ICD-10 map
SNOMED_CT 109578009high
Caries of infancy
Source: SNOMED International ICD-10 map
SNOMED_CT 109581004high
Caries of tooth of infant due to bottle feeding routine
Source: SNOMED International ICD-10 map
SNOMED_CT 109580003high
Caries of tooth of infant due to breastfeeding routine
Source: SNOMED International ICD-10 map
SNOMED_CT 80967001high
Dental caries
Source: SNOMED International ICD-10 map
SNOMED_CT 699489009high
Dental caries class I
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
K02.9
Common synonyms
Dental caries, unspecifiedDental caries
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.