520.1 SUPERNUMERARY TEETH


Code Information

Diagnosis Code: 520.1

Short Description: Supernumerary teeth

Long Description: Supernumerary teeth

Code Classification:

  • Diseases of the digestive system (520–579)
    • Diseases of oral cavity, salivary glands, and jaws (520-529)
      • 520 Disorders of tooth development and eruption
        • 520.1 Supernumerary teeth

Code Version: 2015 ICD-9-CM


References to Index of Diseases and Injuries

The code 520.1 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Accessory (congenital)
    • teeth, tooth 520.1
      • causing crowding 524.31
  • Distomolar (fourth molar) 520.1
    • causing crowding 524.31
  • Excess, excessive, excessively
    • number of teeth 520.1
      • causing crowding 524.31
  • Fourth
    • molar 520.1
  • Mesiodens, mesiodentes 520.1
    • causing crowding 524.31
  • Paramolar 520.1
    • causing crowding 524.31
  • Supernumerary (congenital)
    • teeth 520.1
      • causing crowding 524.31
  • Supplemental teeth 520.1
    • causing crowding 524.31

Crosswalk Information

The code 520.1 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
520.1 Right Arrow K00.1 Supernumerary teeth
This ICD-9 to ICD-10 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-9 Code ICD-9 Description
520.0 Anodontia
520.2 Abnormalities of size and form of teeth
520.3 Mottled teeth
520.4 Disturbances of tooth formation
520.5 Hereditary disturbances in tooth structure, not elsewhere classified
520.6 Disturbances in tooth eruption
520.7 Teething syndrome
520.8 Other specified disorders of tooth development and eruption
520.9 Unspecified disorder of tooth development and eruption


This page was last updated on: 10/1/2014