2025 ICD-10-CM Diagnosis Code I49.3

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Ventricular premature depolarization

  • I49.3 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 I49.3 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of I49.3 – other international versions of ICD-10 I49.3 may differ.

The following code(s) above I49.3 contain annotation back-references

 that may be applicable to I49.3:

  • I00-I99  Diseases of the circulatory system
  • I49  Other cardiac arrhythmias

Approximate Synonyms

  • Ventricular premature beats

Clinical Information

  • A type of cardiac arrhythmia with premature contractions of the heart ventricles. It is characterized by the premature qrs complex on ecg that is of abnormal shape and great duration (generally >129 msec). It is the most common form of all cardiac arrhythmias. Premature ventricular complexes have no clinical significance except in concurrence with heart diseases.
  • Ectopic impulses originating in the ventricles.
  • Premature ventricular beats, the most common of all arrhythmias; in the absence of heart disease, they are not of great clinical significance, but in patients with coronary disease, they represent a constant danger of ventricular tachycardia or fibrillation and sudden death.

ICD-10-CM I49.3 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

Convert I49.3 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

Diagnosis Index entries containing back-references to I49.3:

  • Contraction(s)
    • premature
      • ventricular I49.3
  • Depolarization, prematureI49.40
    • ventricular I49.3
  • Ectopic, ectopia (congenital)
    • beatsI49.49
      • ventricular I49.3
    • ventricular beats I49.3
  • Extrasystoles (supraventricular) I49.49
    • ventricular I49.3
  • Premature – see also condition
    • contraction
      • ventricular I49.3
    • ventricular systole I49.3
  • Ventricle, ventricular – see also condition
    • escape I49.3
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