2025 ICD-10-CM Diagnosis Code I25.720

Atherosclerosis of autologous artery coronary artery bypass graft(s) with unstable angina pectoris

• I25.720 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• Short description: Athscl autologous artery CABG w unstable angina pectoris
• The 2025 edition of ICD-10-CM I25.720 became effective on October 1, 2024.
• This is the American ICD-10-CM version of I25.720 – other international versions of ICD-10 I25.720 may differ.

ICD-10-CM Coding Rules

• I25.720 is applicable to adult patients aged 15 – 124 years inclusive.

Type 1 Excludes

• unstable angina without atherosclerosis of autologous artery coronary artery bypass graft(s) (I20.0)

The following code(s) above I25.720 contain annotation back-references

 that may be applicable to I25.720:

• I00-I99  Diseases of the circulatory system
• I20-I25  Ischemic heart diseases
• I25  Chronic ischemic heart disease
• I25.7  Atherosclerosis of coronary artery bypass graft(s) and coronary artery of transplanted heart with angina pectoris
• I25.72  Atherosclerosis of autologous artery coronary artery bypass graft(s) with angina pectoris

ICD-10-CM I25.720 is grouped within Diagnostic Related Group(s) (MS-DRG v42.0):

• 302 Atherosclerosis with mcc
• 303 Atherosclerosis without mcc

Convert I25.720 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 I25.720:

• Arteriosclerosis, arteriosclerotic (diffuse) (obliterans) (of) (senile) (with calcification) I70.90
  • coronary (artery) I25.10
    • bypass graftI25.810
      • autologous arteryI25.810
        • with
          • angina pectorisI25.729
            • unstable I25.720