ICD-10 Coding for Coronary Arteriosclerosis(I20.8U, I20.9, I23.7)

Learn about ICD-10 coding for coronary arteriosclerosis, including primary codes, documentation requirements, and common pitfalls.

Also known as:
Coronary AtherosclerosisCoronary Artery Disease (CAD)
Related ICD-10 Code Ranges

Complete code families applicable to Coronary Arteriosclerosis

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescription
I25.10Atherosclerotic heart disease of native coronary artery without angina pectoris
I25.110Atherosclerotic heart disease of native coronary artery with unstable angina pectoris

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information

Essential facts and insights aboutCoronary Arteriosclerosis

Differential Codes

Alternative codes to consider when ruling out similar conditions

Other forms of angina pectorisI20.8

Use when angina is due to non-atherosclerotic causes.

Postinfarction anginaI23.7

Use when angina occurs after a myocardial infarction.

Documentation & Coding Risks

Avoid these common issues when documenting Coronary Arteriosclerosis.

Omitting graft status in documentation

Impact

Clinical: Inaccurate patient history representation., Regulatory: Potential audit issues., Financial: Incorrect DRG assignment.

Mitigation

Always document graft status if applicable.

Coding I25.10 with I20.9 (unspecified angina)

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data representation.

Mitigation

Use I25.118 for stable angina with CAD.

Angina Documentation

Impact

Incomplete angina documentation can lead to coding errors.

Mitigation

Implement a checklist for angina documentation.

Frequently Asked Questions