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 Pulp And Periapical Tissues 522.* >  2008 ICD-9-CM Diagnosis 522.4
Acute apical periodontitis of pulpal origin 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 Therefore, this code may be out of date.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 522.4 can be accessed here. - 522.4 is a specific code that can be used to specify a diagnosis
- 522.4 contains 9 index entries
- View the ICD-9-CM Volume 1 522.* hierarchy
Index entries containing 522.4:- Infection, infected, infective (opportunistic) 136.9
- alveolus, alveolar (process) (pulpal origin)
 522.4
- dental (pulpal origin) 522.4
- focal
- teeth (pulpal origin) 522.4
- periapical (pulpal origin) 522.4
- tooth, teeth 522.4
Periodontitis (chronic) (complex) (compound) (simplex) 523.40- apical 522.6
- acute (pulpal origin) 522.4
Sepsis (generalized) 995.91- dental (pulpal origin) 522.4
Septic - see also condition- teeth (pulpal origin) 522.4
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