2025 ICD-10-CM Diagnosis Code J36

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Peritonsillar abscess

  • J36 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 J36 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of J36 – other international versions of ICD-10 J36 may differ.

Use Additional

  • code (B95-B97 ) to identify infectious agent.

Type 1 Excludes

  • acute tonsillitis (J03.-)
  • chronic tonsillitis (J35.0)
  • retropharyngeal abscess (J39.0)
  • tonsillitis NOS (J03.9-)

Includes

  • abscess of tonsil
  • peritonsillar cellulitis
  • quinsy

The following code(s) above J36 contain annotation back-references

 that may be applicable to J36:

  • J00-J99  Diseases of the respiratory system

Approximate Synonyms

  • Peritonsillar cellulitis

Clinical Information

  • An accumulation of purulent material in the area between the palatine tonsil and its capsule.

ICD-10-CM J36 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
  • 152 Otitis media and uri with mcc
  • 153 Otitis media and uri without mcc

Convert J36 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 J36:

  • Type 1 Excludes: J02, J03, J39.0
  • Type 2 Excludes: K12.2

Diagnosis Index entries containing back-references to J36:

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