K05.10 Chronic gingivitis, plaque induced

The ICD-10-CM code for Chronic gingivitis, plaque induced is K05.10 (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 K05

34 codes (25 billable)

FY2026 Status

Stable since FY2024

Also Known As

ICD-10-CM Alphabetic Index entries that lead to K05.10:

• Gingivostomatitis
• Gingivitis
• Infection, infected, infective (opportunistic) › gingiva (chronic)
• Gingivitis › chronic (desquamative) (hyperplastic) (simple marginal) (pregnancy associated) (ulcerative)
• Inflammation, inflamed, inflammatory (with exudation) › gum
• Ulcer, ulcerated, ulcerating, ulceration, ulcerative › gingivitis
• Infection, infected, infective (opportunistic) › gum (chronic)
• Disturbance (s) › keratinization NEC › gingiva

Inclusion Terms

• Chronic gingivitis NOS
• Gingivitis NOS

U.S. Hospital Utilization

• An estimated 5,785 U.S. inpatient stays in 2023 included K05.10 among the documented diagnoses.
• 145 stays listed it as the principal diagnosis.

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)