K03.0 Excessive attrition of teeth

The ICD-10-CM code for Excessive attrition of teeth is K03.0 (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 K03

13 codes (11 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K03.0:

• Occlusal wear, teeth
• Approximal wear
• Attrition › tooth, teeth (excessive) (hard tissues)
• Excess, excessive, excessively › attrition, tooth, teeth
• Wear, worn (with normal or routine use) › tooth, teeth (approximal) (hard tissues) (interproximal) (occlusal)

Inclusion Terms

• Approximal wear of teeth
• Occlusal wear of teeth

U.S. Hospital Utilization

• An estimated 65 U.S. inpatient stays in 2022 included K03.0 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)