2025 ICD-10-CM Diagnosis Code I47

by

Paroxysmal tachycardia

  • I47 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2025 edition of ICD-10-CM I47 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of I47 – other international versions of ICD-10 I47 may differ.

Code First

  • tachycardia complicating:
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • obstetric surgery and procedures (O75.4)

Type 1 Excludes

  • tachycardia NOS (R00.0)
  • sinoauricular tachycardia NOS (R00.0)
  • sinus [sinusal] tachycardia NOS (R00.0)

The following code(s) above I47 contain annotation back-references

 that may be applicable to I47:

  • I00-I99  Diseases of the circulatory system

Clinical Information

  • Abnormally rapid heartbeats with sudden onset and cessation.

Code 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 I47:

  • Code First: I5A
  • Type 1 Excludes: R00.0
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