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Diagnosis Code

K12.0 RECURRENT ORAL APHTHAE


Code Information

Diagnosis Code: K12.0

Short Description: Recurrent oral aphthae

Long Description: Recurrent oral aphthae

The code K12.0 is VALID for claim submission

Code Classification:

  • Diseases of the digestive system (K00–K95)
    • Diseases of oral cavity and salivary glands (K00-K14)
      • Stomatitis and related lesions (K12)
        • K12.0 Recurrent oral aphthae

Code Version: 2022 ICD-10-CM


Synonyms

  • Abrasion of hard palate
  • Abrasion of palate
  • Aphthae major
  • Aphthous ulcer of mouth
  • Aphthous ulcer of mouth
  • Aphthous ulceration of skin and/or mucous membrane
  • Bednar's aphthae
  • Cervical lymphadenitis
  • Herpetiform aphthous stomatitis
  • MAGIC syndrome
  • Minor oral aphthous ulceration
  • PFAPA syndrome
  • Recurrent aphthous stomatitis
  • Recurrent aphthous ulcer
  • Recurrent aphthous ulcer
  • Recurrent ulcer of mouth
  • Recurrent ulcer of mouth
  • Recurrent ulcer of mouth
  • Recurrent ulcer of mouth
  • Superficial injury of palate
  • Traumatic oral ulceration
  • Traumatic ulcer of oral mucosa

References to Index of Diseases and Injuries

The code K12.0 has the following ICD-10-CM references to the Index of Diseases and Injuries
  • Inclusion Terms:
    • Aphthous stomatitis (major) (minor)
    • Bednar's aphthae
    • Periadenitis mucosa necrotica recurrens
    • Recurrent aphthous ulcer
    • Stomatitis herpetiformis

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
K12.0 Right Arrow 528.2 Oral aphthae

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
K12 Stomatitis and related lesions
K12.1 Other forms of stomatitis
K12.2 Cellulitis and abscess of mouth
K12.3 Oral mucositis (ulcerative)
K12.30 Oral mucositis (ulcerative), unspecified
K12.31 Oral mucositis (ulcerative) due to antineoplastic therapy
K12.32 Oral mucositis (ulcerative) due to other drugs
K12.33 Oral mucositis (ulcerative) due to radiation
K12.39 Other oral mucositis (ulcerative)

This page was last updated on: 10/1/2023

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