K05 Gingivitis and periodontal diseases

⚠ Non-Billable ICD-10-CM 2026
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The ICD-10-CM code for Gingivitis and periodontal diseases is K05 (FY2026). It is a non-billable category code — select a more specific code below for claims.

Classification

Section
K00-K14: Diseases of oral cavity and salivary glands (K00-K14)
Category K05
34 codes (25 billable)
FY2026 Status
Stable since FY2024
Use Additional Code
  • code to identify:
  • alcohol abuse and dependence (F10.-)
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Official Coding Guidelines

Chapter 11 reserved for future expansion

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

— ICD-10-CM Official Guidelines for Coding and Reporting, FY2026, Section I.C.11

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

References

Related Codes

More Specific Codes

K05.0 Acute gingivitis K05.00 Acute gingivitis, plaque induced K05.01 Acute gingivitis, non-plaque induced K05.1 Chronic gingivitis K05.10 Chronic gingivitis, plaque induced K05.11 Chronic gingivitis, non-plaque induced K05.2 Aggressive periodontitis K05.20 Aggressive periodontitis, unspecified K05.21 Aggressive periodontitis, localized K05.211 Aggressive periodontitis, localized, slight K05.212 Aggressive periodontitis, localized, moderate K05.213 Aggressive periodontitis, localized, severe K05.219 Aggressive periodontitis, localized, unspecified severity K05.22 Aggressive periodontitis, generalized K05.221 Aggressive periodontitis, generalized, slight K05.222 Aggressive periodontitis, generalized, moderate K05.223 Aggressive periodontitis, generalized, severe K05.229 Aggressive periodontitis, generalized, unspecified severity K05.3 Chronic periodontitis K05.30 Chronic periodontitis, unspecified K05.31 Chronic periodontitis, localized K05.311 Chronic periodontitis, localized, slight K05.312 Chronic periodontitis, localized, moderate K05.313 Chronic periodontitis, localized, severe K05.319 Chronic periodontitis, localized, unspecified severity K05.32 Chronic periodontitis, generalized K05.321 Chronic periodontitis, generalized, slight K05.322 Chronic periodontitis, generalized, moderate K05.323 Chronic periodontitis, generalized, severe K05.329 Chronic periodontitis, generalized, unspecified severity

Related Codes in K05

K05.0 Acute gingivitis K05.00 Acute gingivitis, plaque induced K05.01 Acute gingivitis, non-plaque induced K05.1 Chronic gingivitis K05.10 Chronic gingivitis, plaque induced K05.11 Chronic gingivitis, non-plaque induced K05.2 Aggressive periodontitis K05.20 Aggressive periodontitis, unspecified K05.21 Aggressive periodontitis, localized K05.211 Aggressive periodontitis, localized, slight K05.212 Aggressive periodontitis, localized, moderate K05.213 Aggressive periodontitis, localized, severe K05.219 Aggressive periodontitis, localized, unspecified severity K05.22 Aggressive periodontitis, generalized K05.221 Aggressive periodontitis, generalized, slight K05.222 Aggressive periodontitis, generalized, moderate K05.223 Aggressive periodontitis, generalized, severe K05.229 Aggressive periodontitis, generalized, unspecified severity K05.3 Chronic periodontitis K05.30 Chronic periodontitis, unspecified
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Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2025-10-01

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