2025 ICD-10-CM Diagnosis Code K04.6

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Periapical abscess with sinus

  • K04.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2025 edition of ICD-10-CM K04.6 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of K04.6 – other international versions of ICD-10 K04.6 may differ.

Applicable To

  • Dental abscess with sinus
  • Dentoalveolar abscess with sinus

The following code(s) above K04.6 contain annotation back-references

 that may be applicable to K04.6:

  • K00-K95  Diseases of the digestive system

Approximate Synonyms

  • Periapical abscess with sinus tract

ICD-10-CM K04.6 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 011 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with mcc
  • 012 Tracheostomy for face, mouth and neck diagnoses or laryngectomy with cc
  • 013 Tracheostomy for face, mouth and neck diagnoses or laryngectomy without cc/mcc
  • 157 Dental and oral diseases with mcc
  • 158 Dental and oral diseases with cc
  • 159 Dental and oral diseases without cc/mcc

Convert K04.6 to ICD-9-CMCode History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change
  • 2022 (effective 10/1/2021): No change
  • 2023 (effective 10/1/2022): No change
  • 2024 (effective 10/1/2023): No change
  • 2025 (effective 10/1/2024): No change

Code annotations containing back-references to K04.6:

Diagnosis Index eentries containing back-references to K04.6:

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