K12.0

Applicable To

• Aphthous stomatitis major) minor)

• Bednar’s aphthae

• Periadenitis mucosa necrotica recurrens

• Recurrent aphthous ulcer

• Stomatitis herpetiformis

Approximate Synonyms

• Aphthous stomatitis canker sore of mouth)

• Aphthous ulcer of mouth

• Periodic fever aphthous-stomatitis pharyngitis adenitis syndrome

Clinical Information

• Symmetric excoriation of the hard palate often due to sucking in infants

Details

• K12.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

• The 2023 edition of ICD-10-CM K12.0 became effective on October 1, 2022.

• This is the American ICD-10-CM version of K12.0 – other international versions of ICD-10 K12.0 may differ.