2025 ICD-10-CM Diagnosis Code I15.8

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Other secondary hypertension

  • I15.8 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 I15.8 became effective on October 1, 2024.
  • This is the American ICD-10-CM version of I15.8 – other international versions of ICD-10 I15.8 may differ.

The following code(s) above I15.8 contain annotation back-references

 that may be applicable to I15.8:

  • I00-I99  Diseases of the circulatory system
  • I10-I1A  Hypertensive diseases
  • I15  Secondary hypertension

Approximate Synonyms

  • Benign secondary hypertension
  • Hypertension, due to another condition
  • Hypertension, secondary
  • Secondary hypertension

ICD-10-CM I15.8 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

  • 304 Hypertension with mcc
  • 305 Hypertension without mcc

Convert I15.8 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 I15.8:

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