K05.323 - Chronic periodontitis, generalized, severe

Version 2023
ICD-10:K05.323
Short Description:Chronic periodontitis, generalized, severe
Long Description:Chronic periodontitis, generalized, severe
Status: Valid for Submission
Version:ICD-10-CM 2023
Code Classification:
  • Diseases of the digestive system (K00–K93)
    • Diseases of oral cavity and salivary glands (K00-K14)
      • Gingivitis and periodontal diseases (K05)

K05.323 is a billable ICD-10 code used to specify a medical diagnosis of chronic periodontitis, generalized, severe. The code is valid during the fiscal year 2023 from October 01, 2022 through September 30, 2023 for the submission of HIPAA-covered transactions.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

Index to Diseases and Injuries References

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for this diagnosis code are found in the injuries and diseases index:

Replacement Code

K05323 replaces the following previously assigned ICD-10 code(s):

Convert to ICD-9 Code

Source ICD-10 CodeTarget ICD-9 Code
K05.323523.42 - Chron periodontitis,gen
Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

Patient Education


Gum 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


[Learn More in MedlinePlus]

Code History