ICD-10 Coding for Aortic Ectasia and Retinal Ganglion Cell Pathology(I77.810, H47.391)
Complete ICD-10-CM coding and documentation guide for Aortic Ectasia and Retinal Ganglion Cell Pathology. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Aortic Ectasia and Retinal Ganglion Cell Pathology
I77.8-I77.9Primary Range
Other specified disorders of arteries and arterioles
Includes thoracic aortic ectasia, a condition involving dilation of the aorta.
Disorders of optic nerve and visual pathways
Includes retinal ganglion cell disorders affecting vision.
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 imaging confirms aortic dilation without aneurysm. |
|
| H47.391 | Disorder of retinal ganglion cells, right eye | Use when OCT and visual field tests confirm RGC pathology. |
|
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 thoracic aortic ectasia
Essential facts and insights about Aortic Ectasia and Retinal Ganglion Cell Pathology
Primary ICD-10-CM Codes for aortic retinal ganglion
Decision Criteria
clinical Criteria
- Aortic diameter between 3.5cm and 5.5cm
Clinical Validation Requirements
- CT angiogram showing aortic diameter >3.5cm
- Echo findings of sinotubular junction dilatation
Code-Specific Risks
- Misclassification as aneurysm
- Missing congenital valve linkage
Coding Notes
- Ensure accurate measurement documentation.
H47.391 - Disorder of retinal ganglion cells, right eye
Use when OCT and visual field tests confirm RGC pathology.
Applicable To
- Retinal ganglion cell layer thinning
Excludes
- Glaucoma (H40.1-H40.9)
Clinical Validation Requirements
- OCT showing >30% RGC layer thinning
- Visual field defect correlation
Coding Notes
Document OCT and visual field results.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Aortic Ectasia and Retinal Ganglion Cell Pathology to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code I77.810.
Impact
Clinical: Misrepresents patient condition severity., Regulatory: Non-compliance with coding standards., Financial: Incorrect billing and potential audits.
Mitigation Strategy
Verify aortic measurements before coding, Use appropriate ectasia codes
Impact
Clinical: Inadequate assessment of disease progression., Regulatory: Failure to meet documentation standards., Financial: Potential claim denials.
Mitigation Strategy
Ensure OCT and visual field tests are documented, Include quantitative data in reports
Impact
Reimbursement: Incorrect reimbursement for aneurysm treatment., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate clinical data reporting.
Mitigation Strategy
Use I77.810 for dilatation <1.5x normal diameter.
Impact
Reimbursement: Potential underpayment for congenital conditions., Compliance: Failure to capture congenital anomalies., Data Quality: Incomplete patient history.
Mitigation Strategy
Sequence Q23.83 first when present.
Impact
Misclassification as aneurysm can lead to audits.
Mitigation Strategy
Ensure accurate measurement documentation.
Impact
Lack of quantitative data can trigger audits.
Mitigation Strategy
Document OCT and visual field results.
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 Ectasia and Retinal Ganglion Cell Pathology, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Aortic Ectasia and Retinal Ganglion Cell Pathology
Use these documentation templates to ensure complete and accurate documentation for Aortic Ectasia and Retinal Ganglion Cell Pathology. These templates include all required elements for proper coding and billing.
Intraoperative Aortic Findings
Specialty: CardiologyRequired Elements
- Aortic diameter
- Valve morphology
- Hemodynamic impact
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
Progressive Vision Loss
Specialty: OphthalmologyRequired Elements
- OCT thickness
- Visual field defect
- VEP latency
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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