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Free Medical Coding > ICD10 CM > 2025 ICD-10-CM Codes > 2025 ICD-10-CM Codes I00-I99 – Diseases of the circulatory system (I00-I99) > 2025 ICD-10-CM Codes I30-I5A – Other forms of heart disease (I30-I5A) > 2025 ICD-10-CM Codes I48 – Atrial fibrillation and flutter (I48) > 2025 ICD-10-CM Diagnosis Code I48.0 – Paroxysmal atrial fibrillation (I48.0)

2025 ICD-10-CM Diagnosis Code I48.0 – Paroxysmal atrial fibrillation (I48.0)

2016201720182019202020212022202320242025Billable/Specific Code
  • I48.0 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2024 edition of ICD-10-CM I48.0 became effective on October 1, 2022.
  • This is the American ICD-10-CM version of I48.0 – other international versions of ICD-10 I48.0 may differ.

ICD-10-CM I48.0 is grouped within Diagnostic Related Group(s):

  • 308 Cardiac arrhythmia and conduction disorders with mcc
  • 309 Cardiac arrhythmia and conduction disorders with cc
  • 310 Cardiac arrhythmia and conduction disorders without cc/mcc
  • 791 Prematurity with major problems
  • 793 Full term neonate with major problems

Code History

  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2016 (effective 10/1/2015): No change
  • 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

Diagnosis Index entries containing back-references to I48.0:

  • paroxysmal > atrial or auricular (established) I48.91

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