Diagnosis Code: 522.4

Short Description: Ac apical periodontitis

Long Description: Acute apical periodontitis of pulpal origin

Code Classification:

• Diseases of the digestive system (520–579)
  • Diseases of oral cavity, salivary glands, and jaws (520-529)
    • 522 Diseases of pulp and periapical tissues
      • 522.4 Ac apical periodontitis

Code Version: 2015 ICD-9-CM

References to Index of Diseases and Injuries

The code 522.4 has the following ICD-9-CM references to the Index of Diseases and Injuries

• 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
    • periapical (pulpal origin) 522.4
    • peridental 523.30
    • periodontal 523.31
    • pulp 522.0
    • socket 526.5

• 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

Crosswalk Information

The code 522.4 converts into the following ICD-10 code(s):

Similar Codes

This page was last updated on: 10/1/2014

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