Home > 2008 ICD-9-CM Diagnosis Codes > 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 Code 520.2
Abnormalities of size and form of teeth
- Short description: ABNORMAL TOOTH SIZE/FORM.
- ICD-9-CM 520.2 is a billable medical code that can be used to specify a diagnosis on a reimbursement claim.
- You are viewing the 2008 version of ICD-9-CM 520.2.
- More recent version(s) of ICD-9-CM 520.2: 2009 2010 2011 2012 2013.
520.2 Alternative Terminology
- Abnormal crown of tooth
- Abnormal form of root of 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
- 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
- Sharp tooth
- Single tooth microdontia
- Supernumerary roots
- Talon cusp
- Taurodontism
- True generalized microdontia
- Tuberculum paramolare
520.2 Excludes 
- that due to congenital syphilis (090.5
) - tuberculum Carabelli, which is regarded as a normal variation
Applies To
- 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
Convert 520.2 to ICD-10-CM
ICD-9-CM 520.2 converts directly to:
- 2013 ICD-10-CM K00.2 Abnormalities of size and form of teeth
ICD-9-CM Volume 2 Index entries containing back-references to 520.2:
- Abnormal, abnormality, abnormalities - see also Anomaly
form, 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
ICD-9-CM codes are used in medical billing and coding to describe diseases, injuries, symptoms and conditions. ICD-9-CM 520.2 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 2008 ICD-9-CM Index or use the search engine at the top of this page to lookup any code.
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