Specific code 2013 ICD-9-CM Diagnosis Code 521.09
Other dental caries
  • Short description: Dental caries NEC.
  • ICD-9-CM 521.09 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 521.09 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 2013 version of ICD-9-CM 521.09.
  • More recent version(s) of ICD-9-CM 521.09: 2014 2015.
Convert to ICD-10-CM: 521.09 converts approximately to:
  • 2015/16 ICD-10-CM K02.9 Dental caries, unspecified
Approximate Synonyms
  • Caries involving multiple surfaces of tooth
  • Caries of infancy
  • Caries of infancy associated with bottle feeding
  • Caries of infancy associated with breast feeding
  • Caries of infancy due to bottle feeding
  • Caries of infancy, indeterminate origin
  • Dental caries of infancy from bottle feeding
  • Dental caries secondary to acquired defects of tooth structure
  • Dental caries secondary to developmental defects of tooth structure
  • Finding of dental caries activity
  • Primary dental caries, cervical origin
  • Primary dental caries, indeterminate origin
  • Primary dental caries, multisurface origin
  • Primary dental caries, nonproximal smooth surface origin
  • Primary dental caries, proximal smooth surface origin
  • Primary dental caries, root surface origin
  • Rampant dental caries
  • Secondary dental caries associated with failed or defective dental restoration
  • Secondary dental caries associated with local or systemic factors
  • Susceptible to caries
ICD-9-CM Volume 2 Index entries containing back-references to 521.09:
  • Caries (bone) (see also Tuberculosis, bone) 015.9 [730.8]
  • Necrosis, necrotic
    • teeth, tooth 521.09
  • Odontonecrosis 521.09
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 521.09 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.