I25.3 Aneurysm of heart

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Applicable to

• Mural aneurysm
• Ventricular aneurysm

Applies from I25 Chronic ischemic heart disease

Excludes2 (not included here)

• non-ischemic myocardial injury (I5A)

Use additional code

• code to identify:
• chronic total occlusion of coronary artery (I25.82)
• exposure to environmental tobacco smoke (Z77.22)
• history of tobacco dependence (Z87.891)
• occupational exposure to environmental tobacco smoke (Z57.31)
• tobacco dependence (F17.-)
• tobacco use (Z72.0)

Risk adjustment (HCC)

• RxHCC V08: HCC 188 — Coronary Artery Disease

MS-DRG index

Defines the logic of DRG(s) 314-316 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 414.10 Aneurysm of heart (wall) (approximate)
• 414.19 Other aneurysm of heart (approximate)

Code annotations containing back-references to I25.3

Back-references to I25.3

• Type 2 Excludes: I72 Other aneurysm ("heart aneurysm (I25.3)")

Back-references to I25

• Type 2 Excludes: I74 Arterial embolism and thrombosis ("coronary embolism and thrombosis (I21-I25)")
• Type 2 Excludes: I82 Other venous embolism and thrombosis ("coronary (I21-I25)")

Diagnosis Index entries for I25.3

• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › cardiac (false)
• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › heart (wall) (chronic or with a stated duration of over 4 weeks)

Nearby codes

• I25.111 Atherosclerotic heart disease of native coronary artery with angina pectoris with documented spasm
• I25.112 Atherosclerotic heart disease of native coronary artery with refractory angina pectoris
• I25.118 Atherosclerotic heart disease of native coronary artery with other forms of angina pectoris
• I25.119 Atherosclerotic heart disease of native coronary artery with unspecified angina pectoris
• I25.2 Old myocardial infarction
• I25.3 Aneurysm of heart (this code)
• I25.4 Coronary artery aneurysm and dissection
• I25.41 Coronary artery aneurysm
• I25.42 Coronary artery dissection
• I25.5 Ischemic cardiomyopathy
• I25.6 Silent myocardial ischemia