ICD-10 Coding for Mild Cognitive Impairment(G31.84, R41.840)
Complete ICD-10-CM coding and documentation guide for Mild Cognitive Impairment. Includes clinical validation requirements, documentation requirements, and coding pitfalls.
Also known as:
Related ICD-10 Code Ranges
Complete code families applicable to Mild Cognitive Impairment
G31.84Primary Range
Other specified degenerative diseases of nervous system
Primary code for MCI when etiology is unknown.
Other symptoms and signs involving cognitive functions and awareness
Used for unspecified or moderate cognitive impairment.
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 | Mild cognitive impairment, so stated | Use when MCI is diagnosed without a known underlying condition. |
|
| R41.840 | Unspecified cognitive impairment | Use when cognitive impairment is noted but not specified as MCI. |
|
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 impairment
Essential facts and insights about Mild Cognitive Impairment
Primary ICD-10-CM Codes for mild cognitive impairment
Decision Criteria
clinical Criteria
- MoCA score and functional decline
Applicable To
- Cognitive decline NOS
Clinical Validation Requirements
- MoCA score between 18-25
- Functional decline documented
Code-Specific Risks
- Incorrect use when an underlying condition is present.
Coding Notes
- Ensure no underlying condition is present before using G31.84.
R41.840 - Unspecified cognitive impairment
Use when cognitive impairment is noted but not specified as MCI.
Applicable To
- Cognitive impairment NOS
Excludes
- Mild cognitive impairment (G31.84)
Clinical Validation Requirements
- Cognitive symptoms without specific diagnosis
Coding Notes
Use for general cognitive impairment without specific diagnosis.
Ancillary Codes
Additional codes that should be used in conjunction with the main diagnosis codes when applicable.
Encounter for cognitive function testing
Z13.41Differential Codes
Alternative codes to consider when ruling out similar conditions to the primary diagnosis.
Documentation & Coding Risks
Avoid these common documentation and coding issues when documenting Mild Cognitive Impairment to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G31.84.
Impact
Clinical: Incomplete patient care documentation., Regulatory: Non-compliance with billing requirements., Financial: Potential claim denial.
Mitigation Strategy
Always document time spent on care planning.
Impact
Reimbursement: Incorrect sequencing may lead to claim denial., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate patient records.
Mitigation Strategy
Code the underlying condition first, then use F02.81.
Impact
Lack of time documentation can lead to audit issues.
Mitigation Strategy
Ensure all time spent is documented in the patient record.
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 Impairment, with expert answers to help guide accurate code selection and documentation.
Documentation Templates for Mild Cognitive Impairment
Use these documentation templates to ensure complete and accurate documentation for Mild Cognitive Impairment. These templates include all required elements for proper coding and billing.
Neurology Progress Note
Specialty: NeurologyRequired Elements
- Cognitive test scores
- Functional assessment
- Caregiver input
Examples: Poor vs. Good Documentation
Poor Documentation Example
Good Documentation Example
Explanation
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