I25.2 Old myocardial infarction

Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.

Applicable to

• Healed myocardial infarction
• Past myocardial infarction diagnosed by ECG or other investigation, but currently presenting no symptoms

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) 302-303 in MDC 05.

Approximate ICD-9-CM (GEMs)

• 412 Old myocardial infarction

Code annotations containing back-references to I25.2

Back-references to I25.2

• Type 2 Excludes: I21 Acute myocardial infarction ("old myocardial infarction (I25.2)")
• Type 2 Excludes: Z86.7 Personal history of diseases of the circulatory system ("old myocardial infarction (I25.2)")

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 I25.2

• History › personal (of) › myocardial infarction (old)
• Infarct, infarction › myocardium, myocardial (acute) (with stated duration of 4 weeks or less) › diagnosed on ECG, but presenting no symptoms
• Infarct, infarction › myocardium, myocardial (acute) (with stated duration of 4 weeks or less) › healed or old
• Infarct, infarction › myocardium, myocardial (acute) (with stated duration of 4 weeks or less) › past (diagnosed on ECG or other investigation, but currently presenting no symptoms)
• Occlusion, occluded › artery › coronary (acute) (thrombotic) (without myocardial infarction) › healed or old
• Occlusion, occluded › coronary (artery) (vein) (thrombotic) › healed or old
• Old (previous) myocardial infarction
• Scar, scarring › myocardium, myocardial

Nearby codes

• I25.110 Atherosclerotic heart disease of native coronary artery with unstable angina pectoris
• 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 (this code)
• I25.3 Aneurysm of heart
• I25.4 Coronary artery aneurysm and dissection
• I25.41 Coronary artery aneurysm
• I25.42 Coronary artery dissection
• I25.5 Ischemic cardiomyopathy