Specific code 2010 ICD-9-CM Diagnosis Code 521.03
Dental caries extending into pulp
  • Short description: Dental caries - pulp.
  • ICD-9-CM 521.03 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 521.03 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
  • You are viewing the 2010 version of ICD-9-CM 521.03.
  • More recent version(s) of ICD-9-CM 521.03: 2011 2012 2013 2014 2015.
Disease Synonyms
  • Dental caries on penetrating into pulp
  • Dental caries on pit and fissure surface penetrating into pulp
  • Dental caries on smooth surface penetrating into pulp
Convert to ICD-10-CM: 521.03 converts approximately to:
  • 2015 ICD-10-CM K02.63 Dental caries on smooth surface penetrating into pulp
ICD-9-CM Volume 2 Index entries containing back-references to 521.03:
  • Caries (bone) (see also Tuberculosis, bone) 015.9 [730.8]
    • cementum 521.03
    • dental (acute) (chronic) (incipient) (infected) 521.00
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 521.03 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 2010 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.