K12.2
Billable

Cellulitis and abscess of mouth

Billable / Specific Code

What is Cellulitis and abscess of mouth?

ICD-10-CM K12.2 is the diagnosis code for Cellulitis and abscess of mouth. 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 billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

💡 Inclusions
â„šī¸ Excludes2

Coding Guidelines for K12.2

✅ This Code Includes

  • Cellulitis of mouth (floor)
  • Submandibular abscess

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in K12.2. If the patient has both, code each condition separately:

  • abscess of salivary gland (K11.3)
  • abscess of tongue (K14.0)
  • periapical abscess (K04.6-K04.7)
  • periodontal abscess (K05.21)
  • peritonsillar abscess (J36)

ICD-10-CM Code Hierarchy

Understanding where K12.2 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is K12.2 a billable ICD-10-CM code?

Yes, K12.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does K12.2 mean?

K12.2 is the ICD-10-CM diagnosis code for "Cellulitis and abscess of mouth". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of K12.2?

The parent code of K12.2 is K12 ("Stomatitis and related lesions"). K12.2 provides a more specific classification within this category.

What section is K12.2 in?

K12.2 is located in Section K00-K14 — "Diseases of oral cavity and salivary glands" within Chapter 11 of the ICD-10-CM Tabular List.

When should I use K12.2?

Use K12.2 when the patients documented diagnosis matches "Cellulitis and abscess of mouth" 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 Cellulitis and abscess of mouth?

The ICD-10-CM code for Cellulitis and abscess of mouth is K12.2.

Can K12.2 be used for primary diagnosis?

Yes, K12.2 can be used as a primary diagnosis code since it is billable and specific.

What chapter is K12.2 in?

K12.2 is in Chapter 11 of the ICD-10-CM Tabular List.

Is K12.2 valid for 2026?

Yes, K12.2 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousK12.1Other forms of stomatitisNext →K12.3Oral mucositis (ulcerative)
Code Details
K12.2
Cellulitis and abscess of mouth
Billable / Specific Code
11 — Diseases of the digestive system (K00-K95)
K00-K14 — Diseases of oral cavity and salivary glands
2026 ICD-10-CM