2025 ICD-10-CM Diagnosis Code I25.84

Coronary atherosclerosis due to calcified coronary lesion

• I25.84 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 I25.84 became effective on October 1, 2024.
• This is the American ICD-10-CM version of I25.84 – other international versions of ICD-10 I25.84 may differ.

Applicable To

• Coronary atherosclerosis due to severely calcified coronary lesion

Code First

• coronary atherosclerosis (I25.1-, I25.7-, I25.81-)

The following code(s) above I25.84 contain annotation back-references

 that may be applicable to I25.84:

• I00-I99  Diseases of the circulatory system
• I20-I25  Ischemic heart diseases
• I25  Chronic ischemic heart disease

Approximate Synonyms

• Calcific coronary arteriosclerosis
• Coronary artery disease (cad) due to calcified coronary lesion

ICD-10-CM I25.84 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 302 Atherosclerosis with mcc
• 303 Atherosclerosis without mcc

Convert I25.84 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

Code annotations containing back-references to I25.84:

• Use Additional: I25.1, I25.7, I25.81

Diagnosis Index entries containing back-references to I25.84:

• Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification) I70.90
  • coronary (artery) I25.10
    • due to
      • calcified coronary lesion I25.84 (severely)
• Atherosclerosis – see also Arteriosclerosis
  • coronary
    • arteryI25.10
      • due to
        • calcified coronary lesion I25.84 (severely)