K05

Gingivitis and periodontal diseases

Diagnosis reference

Nonbillable category

This entry is a category or subcategory. Choose the appropriate billable descendant based on the clinical documentation.

Effective periodOctober 1, 2026–September 30, 2027

SourceCMS ICD-10-CM order file

ClassificationDiagnosis · clinical modification

Related entries

Up to 30 descendants in this category

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

Use the complete reference

This reference does not reproduce the full tabular hierarchy, inclusion notes, Excludes1/2 notes, sequencing instructions, or seventh-character rules. Review the official tables and coding guidelines.

Open official CMS files

ICD-10-CM codes describe diagnoses. They do not have an independent Medicare PFS reimbursement amount, and billability alone does not establish coverage.