K12.2

Billable

Cellulitis and abscess of mouth

K12.2 is the ICD-10-CM code for Cellulitis and abscess of mouth. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
K00-K95
Parent
K12
Edition
FY2026

K00-K95 Diseases of the digestive system

Includes

  • Cellulitis of mouth (floor)
  • Submandibular abscess

Excludes2 — not included here

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

Frequently asked questions

What is ICD-10 code K12.2?
K12.2 is the ICD-10-CM code for "Cellulitis and abscess of mouth". It falls under K00-K95 Diseases of the digestive system.
Is K12.2 a billable code?
Yes — K12.2 is a billable, specific ICD-10-CM code valid for reimbursement.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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