Gingivitis and periodontal diseases
In Diseases of oral cavity and salivary glands (K00-K14), chapter 11: Diseases of the Digestive System
25 billable codes under K05: none are a CC or MCC; none map to an HCC.
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Instructional notes
Use additional code: add a second code for this, listed after this one
- 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
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
There are no chapter-specific rules for Chapter 11 yet, so the general rules in Section I.B apply.
All codes under K05
K05 can't be used on a claim. Pick a billable code below; grey headings group them.
- K05.0Acute gingivitis
- K05.00Acute gingivitis, plaque induced
- K05.01Acute gingivitis, non-plaque induced
- K05.1Chronic gingivitis
- K05.10Chronic gingivitis, plaque induced
- K05.11Chronic gingivitis, non-plaque induced
- K05.2Aggressive periodontitis
- K05.20Aggressive periodontitis, unspecified
- K05.21Aggressive periodontitis, localized
- K05.211Aggressive periodontitis, localized, slight
- K05.212Aggressive periodontitis, localized, moderate
- K05.213Aggressive periodontitis, localized, severe
- K05.219Aggressive periodontitis, localized, unspecified severity
- K05.22Aggressive periodontitis, generalized
- K05.221Aggressive periodontitis, generalized, slight
- K05.222Aggressive periodontitis, generalized, moderate
- K05.223Aggressive periodontitis, generalized, severe
- K05.229Aggressive periodontitis, generalized, unspecified severity
- K05.3Chronic periodontitis
- K05.30Chronic periodontitis, unspecified
- K05.31Chronic periodontitis, localized
- K05.311Chronic periodontitis, localized, slight
- K05.312Chronic periodontitis, localized, moderate
- K05.313Chronic periodontitis, localized, severe
- K05.319Chronic periodontitis, localized, unspecified severity
- K05.32Chronic periodontitis, generalized
- K05.321Chronic periodontitis, generalized, slight
- K05.322Chronic periodontitis, generalized, moderate
- K05.323Chronic periodontitis, generalized, severe
- K05.329Chronic periodontitis, generalized, unspecified severity
- K05.4Periodontosis
- K05.5Other periodontal diseases
- K05.6Periodontal disease, unspecified
K05 MS-DRGs
This code does not group to an MS-DRG as a principal diagnosis.
Other codes that refer to K05
Notes on these codes point to K05.
- K13 Excludes2: certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
About the condition
Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.
Gum Disease
If you have gum disease, you're not alone. Many U.S. adults currently have some form of the disease. It ranges from simple gum inflammation, called gingivitis, to serious damage to the tissue and bone supporting the teeth. In the worst cases, you can lose teeth.
Read more about gum disease on MedlinePlusCode history
Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.