520.2 ABNORMAL TOOTH SIZE/FORM


Code Information

Diagnosis Code: 520.2

Short Description: Abnormal tooth size/form

Long Description: Abnormalities of size and form of 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
        • 520.2 Abnormal tooth size/form

Code Version: 2015 ICD-9-CM


Synonyms

  • Abnormal crown of tooth
  • Abnormal form of root of tooth
  • Abnormal size of tooth
  • Abnormally formed tooth
  • Amelogenesis imperfecta, hypomaturation hypoplasia type with taurodontism
  • Amelogenesis imperfecta, hypoplastic type with microdontia
  • Concrescence of teeth
  • Congenital anomaly in number of teeth
  • Conical form of root of tooth
  • Conical supernumerary tooth
  • Curved form of root of tooth
  • Dens evaginatus
  • Dens in dente
  • Enamel pearls
  • Enamel spur
  • Exaggerated cingulum of tooth
  • Exaggerated cusp of tooth
  • Fusion of crown of teeth
  • Fusion of teeth
  • Gemination of teeth
  • Generalized macrodontia
  • Hypertaurodontism
  • Hypotaurodontism
  • Lateral accessory root canals
  • Localized macrodontia
  • Localized microdontia
  • Macrodontia
  • Mesotaurodontism
  • Microdontia
  • Multirooted tooth with convergent roots
  • Multirooted tooth with divergent roots
  • Paired teeth microdontia
  • Peg-shaped teeth
  • Radicular dens invaginatus
  • Relative generalized macrodontia
  • Relative generalized microdontia
  • Sharp tooth
  • Shovel-shaped incisor
  • Single tooth macrodontia
  • Single tooth microdontia
  • Supernumerary roots
  • Talon cusp
  • Taurodontism
  • True generalized microdontia
  • Tuberculum paramolare

References to Index of Diseases and Injuries

The code 520.2 has the following ICD-9-CM references to the Index of Diseases and Injuries
  • Abnormal, abnormality, abnormalities - see also Anomaly
    • form, teeth 520.2
    • size
      • teeth 520.2
  • Accessory (congenital)
    • roots (teeth) 520.2
  • Anomaly, anomalous (congenital) (unspecified type) 759.9
    • form, teeth 520.2
  • Concrescence (teeth) 520.2
  • Conical
    • teeth 520.2
  • Dens
    • evaginatus 520.2
    • in dente 520.2
    • invaginatus 520.2
  • Dichotomy, teeth 520.2
  • Elongation, elongated (congenital) - see also Distortion
    • tooth, teeth 520.2
  • Enameloma 520.2
  • Fusion, fused (congenital)
    • teeth, tooth 520.2
  • Gemination, teeth 520.2
  • Macrodontia 520.2
  • Microdontia 520.2
  • Molarization, premolars 520.2
  • Pearls
    • enamel 520.2
  • Peg-shaped teeth 520.2
  • Predeciduous teeth 520.2
  • Premolarization, cuspids 520.2
  • Schizodontia 520.2
  • Shovel-shaped incisors 520.2
  • Spicule tooth 520.2
  • Supernumerary (congenital)
    • roots (of teeth) 520.2
  • Synodontia 520.2
  • Taurodontism 520.2
  • T-shaped incisors 520.2
  • Tuberculum
    • occlusal 520.2
    • paramolare 520.2
  • Twinning, teeth 520.2

Crosswalk Information

The code 520.2 converts into the following ICD-10 code(s):
ICD-9 Code ICD-10 Code ICD-10 Description
520.2 Right Arrow K00.2 Abnormalities of size and form of 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
520.1 Supernumerary 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