2025 ICD-10-CM Diagnosis Code I48.11

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Longstanding persistent atrial fibrillation

  • I48.11 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 I48.11 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of I48.11 – other international versions of ICD-10 I48.11 may differ.

The following code(s) above I48.11 contain annotation back-references

 that may be applicable to I48.11:

  • I00-I99  Diseases of the circulatory system
  • I48.1  Persistent atrial fibrillation

ICD-10-CM I48.11 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 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

Code History

  • 2020 (effective 10/1/2019): New code
  • 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 I48.11:

  • Fibrillation
    • atrial or auricular (established) I48.91
      • persistent (chronic) (NOS) (other) I48.19
        • longstanding I48.11
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