ICD-10 Diagnosis Code K05.323

Chronic periodontitis, generalized, severe

Diagnosis Code K05.323

ICD-10: K05.323
Short Description: Chronic periodontitis, generalized, severe
Long Description: Chronic periodontitis, generalized, severe
This is the 2018 version of the ICD-10-CM diagnosis code K05.323

Valid for Submission
The code K05.323 is valid for submission for HIPAA-covered transactions.

Code Classification
  • Diseases of the digestive system (K00–K93)
    • Diseases of oral cavity and salivary glands (K00-K14)
      • Gingivitis and periodontal diseases (K05)

Information for Patients


Gum Disease

Also called: Periodontal disease

If you have gum disease, you're not alone. Many U.S. adults currently have some form of the disease. It ranges from simple gum inflammation, called gingivitis, to serious damage to the tissue and bone supporting the teeth. In the worst cases, you can lose teeth.

In gingivitis, the gums become red and swollen. They can bleed easily. Gingivitis is a mild form of gum disease. You can usually reverse it with daily brushing and flossing and regular cleanings by a dentist or dental hygienist. Untreated gingivitis can lead to periodontitis. If you have periodontitis, the gums pull away from the teeth and form pockets that become infected. If not treated, the bones, gums and connective tissue that support the teeth are destroyed.

NIH: National Institute of Dental and Craniofacial Research

  • Bleeding gums (Medical Encyclopedia)
  • Gingivitis (Medical Encyclopedia)
  • Gums - swollen (Medical Encyclopedia)
  • Periodontal (Gum) Disease: Causes, Symptoms, and Treatments - NIH (National Institute of Dental and Craniofacial Research)
  • Periodontitis (Medical Encyclopedia)
  • Trench mouth (Medical Encyclopedia)


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