2008 ICD-9-CM Volume 1 Diagnosis Codes Home > Diseases Of The Digestive System 520-579 > Diseases Of Oral Cavity, Salivary Glands, And Jaws 520-529 > Disorders Of Tooth Development And Eruption 520.* >  2008 ICD-9-CM Diagnosis 520.2
Abnormalities of size and form of teeth On October 1, 2008 the 2009 ICD-9-CM codes came into effect. Therefore, this code may be out of date.
The 2009 version of ICD-9-CM 520.2 can be accessed here. - Anomaly of the tooth, found chiefly in upper lateral incisors. It is characterized by invagination of the enamel at the incisal edge.
- Two teeth united during development by the union of their tooth germs; the teeth may be joined by the enamel of their crowns, by their root dentin, or by both.
- 520.2 is a specific code that can be used to specify a diagnosis
- 520.2 contains 31 index entries
- View the ICD-9-CM Volume 1 520.* hierarchy
520.2 also known as:- Concrescence of teeth
- Fusion of teeth
- Gemination of teeth
- Dens evaginatus
- Dens in dente
- Dens invaginatus
- Enamel pearls
- Macrodontia
- Microdontia
- Peg-shaped [conical] teeth
- Supernumerary roots
- Taurodontism
- Tuberculum paramolare
520.2 excludes: - that due to congenital syphilis (090.5)
- tuberculum Carabelli, which is regarded as a normal variation
Index entries containing 520.2:- 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
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