ICD-10 Coding for Mild Cognitive Dysfunction(G31.84, F06.7-)
Complete ICD-10-CM coding and documentation guide for Mild Cognitive Dysfunction. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Mild Cognitive Dysfunction
G31.84Primary Range
Other specified degenerative diseases of nervous system
Primary code for idiopathic mild cognitive impairment
Other specified mental disorders due to known physiological condition
Used when MCI is due to a known physiological condition
Unspecified symptoms and signs involving cognitive functions and awareness
Used when cognitive screening is normal
Code Comparison: When to Use Each Code
Compare key differences between these codes to ensure accurate selection
| Code | Description | When to Use | Key Documentation |
|---|---|---|---|
| G31.84 | Other specified degenerative diseases of nervous system | Use when MCI is idiopathic and not linked to another condition |
|
| F06.7- | Other specified mental disorders due to known physiological condition | Use when MCI is secondary to a known physiological condition |
|
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 mild cognitive dysfunction
Essential facts and insights about Mild Cognitive Dysfunction
Primary ICD-10-CM Codes for mild cognitive dysfunction
Decision Criteria
clinical Criteria
- Objective cognitive impairment with preserved ADLs
documentation Criteria
- Detailed cognitive evaluation and informant history
Applicable To
- Mild cognitive impairment, so stated
Excludes
- Dementia (F03.-)
Clinical Validation Requirements
- Objective cognitive impairment ≥1 SD below age/education norms
- Preserved basic ADLs
- Informant corroboration of cognitive decline
Code-Specific Risks
- Misclassification as dementia without proper documentation
Coding Notes
- Ensure documentation specifies cognitive domains affected and test results
F06.7- - Other specified mental disorders due to known physiological condition
Use when MCI is secondary to a known physiological condition
Applicable To
- Mental disorder due to known physiological condition
Excludes
- Dementia in diseases classified elsewhere (F02.-)
Clinical Validation Requirements
- Link to underlying physiological condition
- Objective cognitive impairment
Coding Notes
Ensure linkage to underlying condition is documented
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Unspecified symptoms and signs involving cognitive functions and awareness
R41.9Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Mild Cognitive Dysfunction to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G31.84.
Impact
Clinical: Misdiagnosis as dementia, Regulatory: Non-compliance with documentation standards, Financial: Potential claim denials
Mitigation Strategy
Document preserved ADLs, Use standardized cognitive tests
Impact
Reimbursement: Incorrect sequencing can lead to claim denials, Compliance: Non-compliance with coding guidelines, Data Quality: Inaccurate clinical data representation
Mitigation Strategy
Always code the underlying condition first
Impact
Inadequate documentation of cognitive domains affected
Mitigation Strategy
Use standardized cognitive assessments and detailed informant history
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 Mild Cognitive Dysfunction, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Mild Cognitive Dysfunction
Use these documentation templates to ensure complete and accurate documentation for Mild Cognitive Dysfunction. These templates include all required elements for proper coding and billing.
Neurology Progress Note
Specialty: NeurologyRequired Elements
- Informant history
- MoCA score
- Functional status
- Etiology
Example Documentation
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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