Specific code 2009 ICD-9-CM Diagnosis Code 520.9
Unspecified disorder of tooth development and eruption
  • Short description: TOOTH DEVEL/ERUP DIS NOS.
  • ICD-9-CM 520.9 is a billable medical code that can be used to indicate a diagnosis on a reimbursement claim, however, 520.9 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 2009 version of ICD-9-CM 520.9.
  • More recent version(s) of ICD-9-CM 520.9: 2010 2011 2012 2013 2014 2015.
Convert to ICD-10-CM: 520.9 converts directly to:
  • 2015/16 ICD-10-CM K00.9 Disorder of tooth development, unspecified
ICD-9-CM Volume 2 Index entries containing back-references to 520.9:
  • Anomaly, anomalous (congenital) (unspecified type) 759.9
  • Deformity 738.9
    • teeth, tooth NEC 520.9
    • tooth, teeth NEC 520.9
  • Disorder - see also Disease
  • Malformation (congenital) - see also Anomaly
    • teeth, tooth NEC 520.9
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 520.9 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 2009 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.