2025
ICD-10-CM
Diagnosis
Code

I49 Other cardiac arrhythmias

  • Non-billable
  • 2016–2025

I49 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other cardiac arrhythmias.

Code first

  • Cardiac arrhythmia complicating:

    • Abortion or ectopic or molar pregnancy (O00-O07, O08.8)

    • Obstetric surgery and procedures (O75.4)

Type 2 excludes

  • Bradycardia NOS (R00.1)

  • Neonatal dysrhythmia (P29.1-)

  • Sinoatrial bradycardia (R00.1)

  • Sinus bradycardia (R00.1)

  • Vagal bradycardia (R00.1)

Codes

Versions

  1. 2025

    Code changed

    • Type 1 excludes

        • neonatal dysrhythmia (P29.1-)
        • sinoatrial bradycardia (R00.1)
        • sinus bradycardia (R00.1)
        • vagal bradycardia (R00.1)

    • Type 2 excludes

        • bradycardia NOS (R00.1)
        • bradycardia NOS (R00.1)
        • neonatal dysrhythmia (P29.1-)
        • sinoatrial bradycardia (R00.1)
        • sinus bradycardia (R00.1)
        • vagal bradycardia (R00.1)

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    No changes

  6. 2020

    No changes

  7. 2019

    No changes

  8. 2018

    Code changed

    • Type 1 excludes

        • bradycardia NOS (R00.1)
        • neonatal dysrhythmia (P29.1-)
        • sinoatrial bradycardia (R00.1)
        • sinus bradycardia (R00.1)
        • vagal bradycardia (R00.1)
        • neonatal dysrhythmia (P29.1-)
        • sinoatrial bradycardia (R00.1)
        • sinus bradycardia (R00.1)
        • vagal bradycardia (R00.1)

    • Type 2 excludes

        • bradycardia NOS (R00.1)

  9. 2017

    No changes

  10. 2016

    New code