Specific code 2012 ICD-9-CM Diagnosis Code 523.31
Aggressive periodontitis, localized
  • Short description: Aggres periodontitis,loc.
  • ICD-9-CM 523.31 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 523.31 should only be used for claims with a date of service on or before September 30, 2015. For claims with a date of service on or after October 1, 2015, use an equivalent ICD-10-CM code (or codes).
  • You are viewing the 2012 version of ICD-9-CM 523.31.
  • More recent version(s) of ICD-9-CM 523.31: 2013 2014 2015.
Convert to ICD-10-CM: 523.31 converts directly to:
  • 2015/16 ICD-10-CM K05.21 Aggressive periodontitis, localized
Approximate Synonyms
  • Aggressive localized periodontitis
Applies To
  • Periodontal abscess
ICD-9-CM Volume 2 Index entries containing back-references to 523.31:
  • Abscess (acute) (chronic) (infectional) (lymphangitic) (metastatic) (multiple) (pyogenic) (septic) (with lymphangitis) (see also Cellulitis) 682.9
    • periodontal (parietal) 523.31
  • Infection, infected, infective (opportunistic) 136.9
    • periodontal 523.31
  • Periodontitis (chronic) (complex) (compound) (simplex) 523.40
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 523.31 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 2012 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.