K12.2 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Cellulitis and abscess of mouth.
Inclusion term
Cellulitis of mouth (floor)
Submandibular abscess
Type 2 excludes
Abscess of salivary gland (K11.3)
Abscess of tongue (K14.0)
Periapical abscess (K04.6-K04.7)
Periodontal abscess (K05.21)
Peritonsillar abscess (J36)
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code