ICD-10 Code
International Classification of Diseases, 10th Revision
Dec 12, 2017

See: Stomatitis and related lesions

  ICD-10 Code for Cellulitis & abscess of mouth K12.2

K12.2 is a valid1 ICD 10 diagnosis code.

K12.2 is valid for submission for HIPAA-covered transactions.

Chapter 11 Diseases of the digestive system (K00-K95)
Section K00-K14 Diseases of oral cavity and salivary glands (K00-K14)
Category K12 Stomatitis and related lesions

• See below for any additional coding requirements that may be necessary.

• Check for any notations, inclusions and/or exclusions that are specific to this ICD 10 code before using

1 No additional coding requirements necessary.
Inclusion Term
  • Cellulitis of mouth (floor)
  • Submandibular abscess
Excludes2
  • abscess of salivary gland (K11.3)
  • abscess of tongue (K14.0)
  • periapical abscess (K04.6-K04.7)
  • periodontal abscess (K05.21)
  • peritonsillar abscess (J36)
See also ICD 10 code for

Related Terms to “Cellulitis and abscess of mouth”

  • Abscess(connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic) - L02.91
    • buccal cavity - K12.2
    • cheek(external) - L02.01
      • inner - K12.2
    • mouth(floor) - K12.2
    • palate(soft) - K12.2
    • parotid(duct) (gland) - K11.3
      • region - K12.2
    • sublingual - K12.2
    • submandibular(region) (space) (triangle) - K12.2
    • uvula - K12.2
  • Angina(attack) (cardiac) (chest) (heart) (pectoris) (syndrome) (vasomotor) - I20.9
    • Ludovici - K12.2
    • Ludwig's - K12.2
  • Cellulitis(diffuse) (phlegmonous) (septic) (suppurative) - L03.90
    • cheek(external) - L03.211
      • internal - K12.2
    • mouth(floor) - K12.2
    • palate(soft) - K12.2
    • submandibular(region) (space) (triangle) - K12.2
    • submaxillary(region) - K12.2
  • Disease, diseasedSee also Syndrome
    • Ludwig's(submaxillary cellulitis) - K12.2
  • Fistula(cutaneous) - L98.8
    • buccal cavity(infective) - K12.2
    • mouth - K12.2
    • oral(cutaneous) - K12.2
    • parotid(gland) - K11.4
      • region - K12.2
    • submaxillary(gland) - K11.4
      • region - K12.2
  • Furuncle - L02.92
    • mouth - K12.2
    • submandibular - K12.2
  • Gangrene, gangrenous(connective tissue) (dropsical) (dry) (moist) (skin) (ulcer) - I96See also Necrosis
    • uvulitis - K12.2
  • Ludwig's angina or disease - K12.2
  • Staphylitis(acute) (catarrhal) (chronic) (gangrenous) (membranous) (suppurative) (ulcerative) - K12.2
  • Stomatitis(denture) (ulcerative) - K12.1
    • suppurative(acute) - K12.2
  • Uvulitis(acute) (catarrhal) (chronic) (membranous) (suppurative) (ulcerative) - K12.2
See the 2017 ICD-10-CM Coding Guidelines.

Questions related to K12.2 Cellulitis and abscess of mouth

When ICD 10 was implemented on October 1, 2015, it did not affect physicians', outpatient facilities', and hospital outpatient departments' use of CPT codes on Medicare Fee-For-Service claims. Providers should continue to use CPT codes to report these services.