I25.89 Other forms of chronic ischemic heart disease

Billable ICD-10-CM code, FY2026.

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)

• 414.8 Other specified forms of chronic ischemic heart disease (approximate)

Code annotations containing back-references to I25.89

Back-references to I25.89

• Type 1 Excludes: I77.6 Arteritis, unspecified ("coronary (I25.89)")

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 I25.89

• Aneurysm (anastomotic) (artery) (cirsoid) (diffuse) (false) (fusiform) (multiple) (saccular) › coronary (arteriosclerotic) (artery) › vein
• Arteritis › coronary (artery)
• Disease, diseased › heart (organic) › ischemic (chronic or with a stated duration of over 4 weeks) › specified form NEC › chronic
• Incompetency, incompetent, incompetence › chronotropic › with › ischemic heart disease
• Insufficiency, insufficient › coronary (acute or subacute) › chronic or with a stated duration of over 4 weeks
• Necrosis, necrotic (ischemic) › subendocardial (acute) › chronic

Nearby codes

• I25.812 Atherosclerosis of bypass graft of coronary artery of transplanted heart without angina pectoris
• I25.82 Chronic total occlusion of coronary artery
• I25.83 Coronary atherosclerosis due to lipid rich plaque
• I25.84 Coronary atherosclerosis due to calcified coronary lesion
• I25.85 Chronic coronary microvascular dysfunction
• I25.89 Other forms of chronic ischemic heart disease (this code)
• I25.9 Chronic ischemic heart disease, unspecified