ICD-10 Coding for Huntington's Disease(G10)
Complete ICD-10-CM coding and documentation guide for Huntington's Disease. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Huntington's Disease
G10Primary Range
Huntington's Disease
Primary code for Huntington's Disease, used for all cases regardless of age of onset.
Dementia in other diseases classified elsewhere
Used for dementia manifestations associated with Huntington's Disease.
Abnormal involuntary movements
Used for chorea and other movement disorders associated with Huntington's Disease.
Key Information: ICD-10 code for Huntington's Disease
Essential facts and insights about Huntington's Disease
Primary ICD-10-CM Code for huntington's disease
Decision Criteria
clinical Criteria
- Presence of CAG repeat expansion in HTT gene.
coding Criteria
- Manifestations such as dementia or chorea should be coded with additional codes.
Applicable To
- Huntington's Chorea
Excludes
- Z86.69 (Personal history of nervous system disease)
Clinical Validation Requirements
- CAG repeat count ≥40 in HTT gene
- Caudate atrophy on MRI
- Family history + motor/cognitive decline
Code-Specific Risks
- Coding Z86.69 for active disease
- Sequencing errors with dementia codes
Coding Notes
- Always sequence G10 first, followed by manifestation codes.
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 Huntington's Disease to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G10.
Impact
Clinical: May lead to misdiagnosis or incorrect treatment., Regulatory: Non-compliance with documentation standards., Financial: Potential claim denials due to insufficient documentation.
Mitigation Strategy
Ensure genetic test results are included in all relevant documentation., Use templates to guide comprehensive documentation.
Impact
Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with ICD-10 guidelines., Data Quality: Inaccurate patient records.
Mitigation Strategy
Use G10 for active cases regardless of duration.
Impact
Lack of genetic testing documentation can lead to audit flags.
Mitigation Strategy
Ensure all genetic testing results are documented and easily accessible.
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 Huntington's Disease, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Huntington's Disease
Use these documentation templates to ensure complete and accurate documentation for Huntington's Disease. These templates include all required elements for proper coding and billing.
Patient with Huntington's Disease and dementia
Specialty: NeurologyRequired Elements
- Motor symptoms
- Cognitive decline
- Genetic test results
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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