I25.89
BillableOther forms of chronic ischemic heart disease
HCC Category Mapping
RxHCCHCC 188 — Coronary Artery Disease and Angina
0.000What This Code Means
A chronic condition where the heart doesn't receive enough blood flow due to coronary artery disease, but the specific type doesn't fit other defined categories.
Coding Tips
- •Use this code only when the specific form of chronic ischemic heart disease is not better described by other I25 codes
- •Document the clinical presentation and any diagnostic findings to justify use of this non-specific code
Clinical Significance
This code captures chronic ischemic heart disease presentations that do not fit specific subcategories within I25. This may include coronary artery ectasia, coronary slow flow phenomenon, or other chronic ischemic conditions not elsewhere classified. While serving as a catch-all for less common chronic ischemic presentations, coders should verify that no more specific code is available before selecting this code.
Documentation Requirements
- ✓Documentation of a chronic ischemic heart disease condition that does not fit other I25 subcategories
- ✓Evidence of myocardial ischemia or chronic coronary pathology
- ✓Chronicity of the condition established
- ✓Specific clinical diagnosis documented by the provider
- ✓Treatment plan addressing the chronic ischemic condition
Commonly Confused Codes
I25.9 — Chronic ischemic heart disease, unspecified; use when the condition is not characterized at allI25.10 — Atherosclerotic heart disease of native coronary artery; specific atherosclerotic diseaseI25.85 — Chronic coronary microvascular dysfunction; specific microvascular diagnosisI25.5 — Ischemic cardiomyopathy; when chronic ischemia has led to cardiomyopathy
Code Hierarchy
└I25Chronic ischemic heart disease└I25.8Other forms of chronic ischemic heart disease└I25.89Other forms of chronic ischemic heart disease
└I25.89Other forms of chronic ischemic heart disease