K12.2
K12.2: Cellulitis and abscess of mouth
Billable / specific codeICD-10-CM
K12.2 is a billable, specific ICD-10-CM code for cellulitis and abscess of mouth. It is valid for submission on a claim.
Check K12.2 with the rest of the claim: free scrubberExcludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Cellulitis of mouth (floor)
- Submandibular abscess
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Medicare coverage
K12.2 is named in 10 Medicare coverage policies: 10 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.
- A53058Billing and Coding: Home Health Physical Therapy
- A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
- A56729Billing and Coding: Magnetic Resonance Imaging of the Head and Neck
- A56766Billing and Coding: Incision and Drainage (I&D) of Abscess of Skin, Subcutaneous and Accessory Structures
Alphabetic index entries that lead here
- Ludwig's angina or disease
- Staphylitis(acute) (catarrhal) (chronic) (gangrenous) (membranous) (suppurative) (ulcerative)
- Uvulitis(acute) (catarrhal) (chronic) (membranous) (suppurative) (ulcerative)
- Abscess›buccal cavity
- Abscess›mouth(floor)
- Abscess›palate(soft)
- Abscess›sublingual
- Abscess›submandibular(region) (space) (triangle)
- Abscess›uvula
- Angina›Ludovici
- Angina›Ludwig's
- Cellulitis›mouth(floor)
Code history
Unchanged in every release from FY2024 to FY2027.