2022 ICD-10-CM Code K04

Diseases of pulp and periapical tissues

Version 2021

Not Valid for Submission

ICD-10:K04
Short Description:Diseases of pulp and periapical tissues
Long Description:Diseases of pulp and periapical tissues

Code Classification

  • Diseases of the digestive system (K00–K93)
    • Diseases of oral cavity and salivary glands (K00-K14)
      • Diseases of pulp and periapical tissues (K04)

K04 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of diseases of pulp and periapical tissues. The code is not specific and is NOT valid for the year 2022 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding for Diseases of pulp and periapical tissues

Non-specific codes like K04 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for diseases of pulp and periapical tissues:

  • NON-BILLABLE CODE - K04.0 for Pulpitis
  • BILLABLE CODE - Use K04.01 for Reversible pulpitis
  • BILLABLE CODE - Use K04.02 for Irreversible pulpitis
  • BILLABLE CODE - Use K04.1 for Necrosis of pulp
  • BILLABLE CODE - Use K04.2 for Pulp degeneration
  • BILLABLE CODE - Use K04.3 for Abnormal hard tissue formation in pulp
  • BILLABLE CODE - Use K04.4 for Acute apical periodontitis of pulpal origin
  • BILLABLE CODE - Use K04.5 for Chronic apical periodontitis
  • BILLABLE CODE - Use K04.6 for Periapical abscess with sinus
  • BILLABLE CODE - Use K04.7 for Periapical abscess without sinus
  • BILLABLE CODE - Use K04.8 for Radicular cyst
  • NON-BILLABLE CODE - K04.9 for Other and unspecified diseases of pulp and periapical tissues
  • BILLABLE CODE - Use K04.90 for Unspecified diseases of pulp and periapical tissues
  • BILLABLE CODE - Use K04.99 for Other diseases of pulp and periapical tissues

Information for Patients


Tooth Disorders

What are teeth?

Your teeth are made of a hard, bonelike material. There are four parts:

You need your teeth for many activities that you may take for granted. These include eating, speaking and even smiling.

What are tooth disorders?

There are many different problems that can affect your teeth, including

What causes tooth disorders?

The causes of tooth disorders varies, depending on the problem. Sometimes the cause is not taking good care of your teeth. In other cases, you may have been born with the problem or the cause is an accident.

What are the symptoms of tooth disorders?

The symptoms can vary, depending on the problem. Some of the more common symptoms include

How are tooth disorders diagnosed?

Your dentist will ask about your symptoms, look at your teeth, and probe them with dental instruments. In some cases, you may need dental x-rays.

What are the treatments for tooth disorders?

The treatment will depend on the problem. Some common treatments are

Can tooth disorders be prevented?

The main thing that you can do to prevent tooth disorders is to take good care of your teeth:


[Learn More in MedlinePlus]

Code History

  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016 (First year ICD-10-CM implemented into the HIPAA code set)