K08.9 Disorder of teeth and supporting structures, unspecified

The ICD-10-CM code for Disorder of teeth and supporting structures, unspecified is K08.9 (FY2026). It is a billable, claim-ready diagnosis code.

Classification

Chapter

11: Diseases of the digestive system (K00-K95)

Section

K00-K14: Diseases of oral cavity and salivary glands (K00-K14)

Category K08

90 codes (73 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K08.9:

• Lesion (s) (nontraumatic) › alveolar process
• Disease, diseased › alveoli, teeth
• Disorder (of) › tooth
• Abnormal, abnormality, abnormalities › alveolar ridge
• Lesion (s) (nontraumatic) › tooth, teeth
• Disease, diseased › supporting structures of teeth
• Disease, diseased › tooth, teeth

U.S. Hospital Utilization

• An estimated 5,315 U.S. inpatient stays in 2023 included K08.9 among the documented diagnoses.

Source: National Inpatient Sample (NIS), Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality, 2016–2023. National survey-weighted estimates.

Official Coding Guidelines

Chapter 11 reserved for future expansion

11. Chapter 11: Diseases of the Digestive System (K00-K95) Reserved for future guideline expansion

Source: CMS — ICD-10-CM Official Guidelines for Coding and Reporting, FY2026

References

• CMS — ICD-10-CM Official Code Set and Guidelines, FY2026
• CDC/NCHS — ICD-10-CM Files and Browser Tool
• AHRQ — HCUP National Inpatient Sample, Frequencies by Diagnosis Code (2016–2023)

Cite This Page

Reference K08.9 with the canonical source and edition:

K08.9 — Disorder of teeth and supporting structures, unspecified. ICD-10 Coding Pro (ICD-10-CM FY2026). https://icd10codingpro.com/codes/K08.9

Canonical URL: https://icd10codingpro.com/codes/K08.9