K05
Non-Billable

Gingivitis and periodontal diseases

Non-Billable / Non-Specific Code

What is Gingivitis and periodontal diseases?

ICD-10-CM K05 is the diagnosis code for Gingivitis and periodontal diseases. This code falls under the section "Diseases of oral cavity and salivary glands" within Chapter 11 — Diseases of the digestive system (K00-K95). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for K05

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where K05 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 7 entries
K05.0Acute gingivitisNon-BillableK05.00Acute gingivitis, plaque inducedBillableK05.01Acute gingivitis, non-plaque inducedBillableK05.1Chronic gingivitisNon-BillableK05.10Chronic gingivitis, plaque inducedBillableK05.11Chronic gingivitis, non-plaque inducedBillableK05.2Aggressive periodontitisNon-BillableK05.20Aggressive periodontitis, unspecifiedBillableK05.21Aggressive periodontitis, localizedNon-BillableK05.211Aggressive periodontitis, localized, slightBillableK05.212Aggressive periodontitis, localized, moderateBillableK05.213Aggressive periodontitis, localized, severeBillableK05.219Aggressive periodontitis, localized, unspecified severityBillableK05.22Aggressive periodontitis, generalizedNon-BillableK05.221Aggressive periodontitis, generalized, slightBillableK05.222Aggressive periodontitis, generalized, moderateBillableK05.223Aggressive periodontitis, generalized, severeBillableK05.229Aggressive periodontitis, generalized, unspecified severityBillableK05.3Chronic periodontitisNon-BillableK05.30Chronic periodontitis, unspecifiedBillableK05.31Chronic periodontitis, localizedNon-BillableK05.311Chronic periodontitis, localized, slightBillableK05.312Chronic periodontitis, localized, moderateBillableK05.313Chronic periodontitis, localized, severeBillableK05.319Chronic periodontitis, localized, unspecified severityBillableK05.32Chronic periodontitis, generalizedNon-BillableK05.321Chronic periodontitis, generalized, slightBillableK05.322Chronic periodontitis, generalized, moderateBillableK05.323Chronic periodontitis, generalized, severeBillableK05.329Chronic periodontitis, generalized, unspecified severityBillableK05.4PeriodontosisBillableK05.5Other periodontal diseasesBillableK05.6Periodontal disease, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is K05 a billable ICD-10-CM code?

No, K05 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does K05 mean?

K05 is the ICD-10-CM diagnosis code for "Gingivitis and periodontal diseases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is K05 in?

K05 is located in Section K00-K14 — "Diseases of oral cavity and salivary glands" within Chapter 11 of the ICD-10-CM Tabular List.

What are the sub-codes of K05?

K05 has 7 sub-code(s) that provide more specific detail: K05.0, K05.1, K05.2, K05.3, K05.4 and more.

When should I use K05?

Use K05 when the patients documented diagnosis matches "Gingivitis and periodontal diseases" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Gingivitis and periodontal diseases?

The ICD-10-CM code for Gingivitis and periodontal diseases is K05.

Can K05 be used for primary diagnosis?

No, K05 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is K05 in?

K05 is in Chapter 11 of the ICD-10-CM Tabular List.

Is K05 valid for 2026?

Yes, K05 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousK04.99Other diseases of pulp and periapical tissuesNext →K05.0Acute gingivitis
Code Details
K05
Gingivitis and periodontal diseases
Non-Billable / Non-Specific Code
11 — Diseases of the digestive system (K00-K95)
K00-K14 — Diseases of oral cavity and salivary glands
2026 ICD-10-CM