K05.1
Non-Billable

Chronic gingivitis

Non-Billable / Non-Specific Code

What is Chronic gingivitis?

ICD-10-CM K05.1 is the diagnosis code for Chronic gingivitis. 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.

💡 Inclusions

Coding Guidelines for K05.1

✅ This Code Includes

  • Desquamative gingivitis (chronic)
  • Gingivitis (chronic) NOS
  • Hyperplastic gingivitis (chronic)
  • Pregnancy associated gingivitis
  • Simple marginal gingivitis (chronic)
  • Ulcerative gingivitis (chronic)

ICD-10-CM Code Hierarchy

Understanding where K05.1 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 2 entries
K05.10Chronic gingivitis, plaque inducedBillableK05.11Chronic gingivitis, non-plaque inducedBillable
Related Codes

Frequently Asked Questions

Is K05.1 a billable ICD-10-CM code?

No, K05.1 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does K05.1 mean?

K05.1 is the ICD-10-CM diagnosis code for "Chronic gingivitis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of K05.1?

The parent code of K05.1 is K05 ("Gingivitis and periodontal diseases"). K05.1 provides a more specific classification within this category.

What section is K05.1 in?

K05.1 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 K05.1?

K05.1 has 2 sub-code(s) that provide more specific detail: K05.10, K05.11.

When should I use K05.1?

Use K05.1 when the patients documented diagnosis matches "Chronic gingivitis" 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 Chronic gingivitis?

The ICD-10-CM code for Chronic gingivitis is K05.1.

Can K05.1 be used for primary diagnosis?

No, K05.1 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is K05.1 in?

K05.1 is in Chapter 11 of the ICD-10-CM Tabular List.

Is K05.1 valid for 2026?

Yes, K05.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousK05.01Acute gingivitis, non-plaque inducedNext →K05.10Chronic gingivitis, plaque induced
Code Details
K05.1
Chronic gingivitis
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