Specific code 2015 ICD-9-CM Diagnosis Code 520.3
Mottled teeth
  • 2015
  • Billable Code
  • ICD-9-CM 520.3 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 520.3 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
Disease Synonyms
  • Congenital mottled teeth
  • Mottled teeth, congenital
Clinical Information
  • A chronic endemic form of hypoplasia of the dental enamel caused by drinking water with a high fluorine content during the time of tooth formation, and characterized by defective calcification that gives a white chalky appearance to the enamel, which gradually undergoes brown discoloration. (jablonski's dictionary of dentistry, 1992, p286)
  • A condition that results from excessive fluorine intake during tooth development. Presentation of this disorder can range from white streaks to brown stains and cracks or pits in the tooth enamel
Applies To
  • Dental fluorosis
  • Mottling of enamel
  • Nonfluoride enamel opacities
Convert to ICD-10-CM: 520.3 converts directly to:
  • 2015 ICD-10-CM K00.3 Mottled teeth
ICD-9-CM Volume 2 Index entries containing back-references to 520.3:
  • Fluorosis (dental) (chronic) 520.3
  • Mottled teeth (enamel) (endemic) (nonendemic) 520.3
  • Mottling enamel (endemic) (nonendemic) (teeth) 520.3
  • Opacity, opacities
    • enamel (fluoride) (nonfluoride) (teeth) 520.3
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 520.3 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 2015 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.