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ICD-10 Coding for Chronic Ischemic Heart Disease(I25.1, I21.9, I25.11)

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Learn about the ICD-10 coding for chronic ischemic heart disease, including documentation requirements and common coding pitfalls.

Also known as:
Coronary Artery DiseaseChronic Coronary Syndrome
Related ICD-10 Code Ranges

Complete code families applicable to Chronic Ischemic Heart Disease

I00-I99Primary Range

Diseases of the circulatory system

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Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
I25.1Atherosclerotic heart disease of native coronary artery
I25.2Old myocardial infarction
Primary ICD-10-CM Codes
Atherosclerotic heart disease of native coronary artery
I25.1
Differential Codes

Alternative codes to consider when ruling out similar conditions

Old myocardial infarctionI25.2
Acute myocardial infarction, unspecifiedI21.9

Documentation & Coding Risks

Avoid these common issues when documenting Chronic Ischemic Heart Disease.

Failing to document the type of angina

Impact

Clinical: May lead to inappropriate treatment plans., Regulatory: Non-compliance with documentation standards., Financial: Potential for denied claims.

Mitigation

Ensure angina type is documented in the patient's record.

Using I25.9 when angina type is documented

Impact

Reimbursement: Incorrect coding may lead to reduced reimbursement., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Upgrade to I25.11x if atherosclerotic heart disease with angina is documented.

Documentation specificity

Impact

Lack of specificity in documenting coronary artery disease.

Mitigation

Implement detailed documentation templates.

Frequently Asked Questions

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with I25.1.