ICD10BillableValid for clinical use
ICD-10 Code K00.1: Supernumerary teeth
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 supernumerary teeth 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
K00Disorders of tooth development and eruption
currentK00
Official coding notes
Inclusion terms
- Distomolar
- Fourth molar
- Mesiodens
- Paramolar
- Supplementary teeth
Excludes2 (may code together if documented)
- supernumerary roots (K00.2)
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
K00.0AnodontiacodeK00.2Abnormalities of size and form of teethcodeK00.3Mottled teethcodeK00.4Disturbances in tooth formationcodeK00.5Hereditary disturbances in tooth structure, not elsewhere classifiedcodeK00.6Disturbances in tooth eruptioncodeK00.7Teething syndromecodeK00.8Other disorders of tooth developmentcodeK00.9Disorder of tooth development, unspecifiedcode
Sibling codes
K00.0AnodontiabillableK00.2Abnormalities of size and form of teethbillableK00.3Mottled teethbillableK00.4Disturbances in tooth formationbillableK00.5Hereditary disturbances in tooth structure, not elsewhere classifiedbillableK00.6Disturbances in tooth eruptionbillableK00.7Teething syndromebillableK00.8Other disorders of tooth developmentbillableK00.9Disorder of tooth development, unspecifiedbillable
Mapped diagnoses and classifications
SNOMED_CT 234952008high
Conical supernumerary tooth
Source: SNOMED International ICD-10 map
SNOMED_CT 43528001high
Distomolar supernumerary tooth
Source: SNOMED International ICD-10 map
SNOMED_CT 109458004high
Duplication of teeth
Source: SNOMED International ICD-10 map
SNOMED_CT 109452003high
Erupted mesiodens
Source: SNOMED International ICD-10 map
SNOMED_CT 109454002high
Inverted mesiodens
Source: SNOMED International ICD-10 map
SNOMED_CT 17802000high
Mesiodens
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
K00.1
Common synonyms
Supernumerary teeth
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.