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K12.0 - Recurrent oral aphthae


The ICD 10 Code for Recurrent oral aphthae is listed as K12.0.
Additional information concerning this code and description can be found below including ICD 9 crosswalks / GEMS, chapter information, and DRGs where available.

ICD 10 CM Field Value
Diagnosis Code: K12.0
Description: Recurrent oral aphthae
  • Aphthous stomatitis (major) (minor)
  • Bednar's aphthae
  • Periadenitis mucosa necrotica recurrens
  • Recurrent aphthous ulcer
  • Stomatitis herpetiformis
Diagnostic Related Groups
(MS-DRG v30.0)
011 - Tracheostomy For Face,mouth & Neck Diagnoses W Mcc
012 - Tracheostomy For Face,mouth & Neck Diagnoses W Cc
013 - Tracheostomy For Face,mouth & Neck Diagnoses W/o Cc/mcc
157 - Dental & Oral Diseases W Mcc
158 - Dental & Oral Diseases W Cc
159 - Dental & Oral Diseases W/o Cc/mcc
Chapter Diseases of the digestive system (K00-K95)
Block Diseases of oral cavity and salivary glands (K00-K14)
Parent K12 - Stomatitis and related lesions
ICD-9-CM Diagnosis Codes General Equivalence Mappings (GEMS):
ICD 9 Dx Code: 528.2 - Oral aphthae
ICD-10-CM Siblings (same level / similar specificity) of K12.0:
K12.1 - Other forms of stomatitis
K12.2 - Cellulitis and abscess of mouth
K12.3 - Oral mucositis (ulcerative)