ICD10BillableValid for clinical use
ICD-10 Code K08.9: Disorder of teeth and supporting structures, 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 disorder of teeth and supporting structures, 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
K08Other disorders of teeth and supporting structures
currentK08
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
K08.0Exfoliation of teeth due to systemic causescodeK08.1Complete loss of teethcategoryK08.2Atrophy of edentulous alveolar ridgecategoryK08.3Retained dental rootcodeK08.4Partial loss of teethcategoryK08.5Unsatisfactory restoration of toothcategoryK08.8Other specified disorders of teeth and supporting structurescategory
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 235013007high
Alveolar ridge abnormality
Source: SNOMED International ICD-10 map
SNOMED_CT 698030002high
Alveolar ridge abnormality of maxilla
Source: SNOMED International ICD-10 map
SNOMED_CT 128285007high
Chronic disease of teeth AND/OR supporting structures
Source: SNOMED International ICD-10 map
SNOMED_CT 105995000high
Disorder of teeth AND/OR supporting structures
Source: SNOMED International ICD-10 map
SNOMED_CT 593005441000119104high
Disorder of tooth due to Sjögren's syndrome
Source: SNOMED International ICD-10 map
SNOMED_CT 109639001high
Limited ability to open mouth
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
K08.9
Common synonyms
Disorder of teeth and supporting structures, unspecifiedDisorder of teeth and supporting structures
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.