ICD-10 Coding for Aortic Root Dilation(I77.810, I71.21)
Complete ICD-10-CM coding and documentation guide for Aortic Root Dilation. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Aortic Root Dilation
I77.81-I77.819Primary Range
Other specified disorders of arteries and arterioles
This range includes codes for aortic ectasia, which encompasses aortic root dilation.
Aortic aneurysm and dissection
This range includes codes for aortic aneurysms, which may be considered if dilation meets aneurysm criteria.
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| I77.810 | Thoracic aortic ectasia | Use when aortic root dilation is confirmed without meeting aneurysm criteria. |
|
| I71.21 | Ascending aortic aneurysm, without rupture | Use when dilation meets aneurysm criteria. |
|
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: ICD-10 code for aortic root dilation
Essential facts and insights about Aortic Root Dilation
Primary ICD-10-CM Codes for aortic root dilation
Decision Criteria
clinical Criteria
- Aortic root diameter <5.0 cm
documentation Criteria
- Measurement method and phase documented
Applicable To
- Aortic root dilation
Excludes
- Aortic aneurysm (I71.-)
Clinical Validation Requirements
- Aortic root diameter <5.0 cm
- Measured via echocardiography or CTA
Code-Specific Risks
- Misclassification as aneurysm
- Incorrect site specification
Coding Notes
- Ensure accurate measurement documentation and linkage to underlying conditions if present.
I71.21 - Ascending aortic aneurysm, without rupture
Use when dilation meets aneurysm criteria.
Applicable To
- Aneurysm of ascending aorta
Excludes
- Aortic dissection (I71.0)
Clinical Validation Requirements
- Aortic root diameter ≥5.0 cm
- Rapid growth >0.5 cm/year
Coding Notes
Ensure criteria for aneurysm are clearly documented.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Marfan syndrome
Q87.4Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Aortic Root Dilation to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I77.810.
Impact
Clinical: May lead to inappropriate management decisions., Regulatory: Non-compliance with documentation standards., Financial: Potential for claim denials.
Mitigation Strategy
Train staff on documentation requirements., Use templates that prompt for measurement details.
Impact
Reimbursement: May result in denied claims or reduced payment., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data for clinical and research purposes.
Mitigation Strategy
Always specify the site of dilation (thoracic, abdominal).
Impact
Using unspecified codes when specific site is documented.
Mitigation Strategy
Educate coders on the importance of site-specific coding.
Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.
Frequently Asked Questions
Common questions about ICD-10 coding for Aortic Root Dilation, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Aortic Root Dilation
Use these documentation templates to ensure complete and accurate documentation for Aortic Root Dilation. These templates include all required elements for proper coding and billing.
Aortic root dilation in a patient with Marfan syndrome
Specialty: CardiologyRequired Elements
- Measurement method
- Diameter in cm
- Associated conditions
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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