Specific code 2013 ICD-9-CM Diagnosis Code 528.2
Oral aphthae
  • ICD-9-CM 528.2 will be replaced by an equivalent ICD-10-CM code (or codes) when the United States transitions from ICD-9-CM to ICD-10-CM on October 1, 2015.
  • ICD-9-CM 528.2 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2013 version of ICD-9-CM 528.2.
  • More recent version(s) of ICD-9-CM 528.2: 2014.
Disease Synonyms
  • Aphthous stomatitis
  • Aphthous stomatitis (canker sore of mouth)
  • aphthous ulcer of mouth
528.2 Excludes
  • herpetic stomatitis (054.2)
Applies To
  • Aphthous stomatitis
  • Canker sore
  • Periadenitis mucosa necrotica recurrens
  • Recurrent aphthous ulcer
  • Stomatitis herpetiformis
Convert to ICD-10-CM: 528.2 converts directly to:
  • 2014 ICD-10-CM K12.0 Recurrent oral aphthae
ICD-9-CM Volume 2 Index entries containing back-references to 528.2:
  • Aphthae, aphthous - see also condition
    • Bednar's 528.2
    • oral 528.2
    • stomatitis 528.2
  • Bednar's aphthae 528.2
  • Canker (mouth) (sore) 528.2
  • Periadenitis mucosa necrotica recurrens 528.2
  • Sore
  • Stomatitis 528.00
    • aphthous 528.2
    • herpetiformis 528.2
  • Ulcer, ulcerated, ulcerating, ulceration, ulcerative 707.9
    • aphthous (oral) (recurrent) 528.2
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 528.2 is one of thousands of ICD-9-CM codes used in healthcare. Although ICD-9-CM and CPT codes are largely numeric, they differ in that CPT codes describe medical procedures and services. Can't find a code? Start at the root of ICD-9-CM, check the 2013 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.