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 > Diseases Of Hard Tissues Of Teeth 521.* >  2008 ICD-9-CM Diagnosis 521.6
Ankylosis 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 Therefore, this code may be out of date.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 521.6 can be accessed here. - Solid fixation of a tooth resulting from fusion of the cementum and alveolar bone, with obliteration of the periodontal ligament. It is uncommon in the deciduous dentition and very rare in permanent teeth. (Jablonski's Dictionary of Dentistry, 1992)
- 521.6 is a specific code that can be used to specify a diagnosis
- 521.6 contains 2 index entries
- View the ICD-9-CM Volume 1 521.* hierarchy
Index entries containing 521.6:- Ankylosis (fibrous) (osseous) 718.50
- dental
 521.6
- teeth, tooth (hard tissues) 521.6
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