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ICD-10 Coding for Frontotemporal Dementia(G31.09)

Complete ICD-10-CM coding and documentation guide for Frontotemporal Dementia. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

FTDPick's DiseaseFrontotemporal Lobar Degeneration

Related ICD-10 Code Ranges

Complete code families applicable to Frontotemporal Dementia

G31.0-G31.9Primary Range

Other degenerative diseases of nervous system, not elsewhere classified

This range includes codes for various types of degenerative diseases including frontotemporal dementia.

Key Information: ICD-10 code for frontotemporal dementia

Essential facts and insights about Frontotemporal Dementia

The ICD-10 code for frontotemporal dementia is G31.09, used for confirmed diagnoses with clinical and imaging support.

Primary ICD-10-CM Code for frontotemporal dementia

Other frontotemporal dementia
Billable Code

Decision Criteria

clinical Criteria

  • Presence of frontal/temporal atrophy on imaging

documentation Criteria

  • Detailed behavioral symptom documentation

Applicable To

  • Behavioral variant FTD
  • Semantic variant FTD
  • Primary progressive aphasia

Excludes

  • Alzheimer's disease (G30.-)
  • Vascular dementia (F01.-)

Clinical Validation Requirements

  • MRI showing frontal/temporal atrophy
  • Genetic testing for C9orf72
  • Behavioral symptoms like disinhibition

Code-Specific Risks

  • Misclassification with Alzheimer's disease
  • Incomplete documentation of behavioral symptoms

Coding Notes

  • Ensure documentation specifies the type of FTD and any associated behavioral symptoms.

Ancillary Codes

Additional codes that should be used in conjunction with the main diagnosis codes when applicable.

Dementia in other diseases classified elsewhere with behavioral disturbance

F02.81
Use when behavioral disturbances are present in FTD.

Wandering in diseases classified elsewhere

Z91.83
Use when wandering behavior is documented in FTD.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Alzheimer's disease, unspecified

G30.9
Alzheimer's typically presents with early memory impairment, unlike FTD.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Frontotemporal Dementia to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code G31.09.

Impact

Clinical: Misleading treatment plans., Regulatory: Non-compliance with coding standards., Financial: Potential for denied claims.

Mitigation Strategy

Educate staff on FTD specifics., Use templates for documentation.

Impact

Reimbursement: Incorrect coding may lead to underpayment., Compliance: Non-compliance with ICD-10 coding guidelines., Data Quality: Inaccurate clinical data affecting patient records.

Mitigation Strategy

Ensure FTD is clearly documented and use G31.09.

Impact

Incorrect use of F02.81 without documented behaviors.

Mitigation Strategy

Require detailed behavioral documentation.

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 Frontotemporal Dementia, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Frontotemporal Dementia

Use these documentation templates to ensure complete and accurate documentation for Frontotemporal Dementia. These templates include all required elements for proper coding and billing.

New Diagnosis of FTD

Specialty: Neurology

Required Elements

  • Patient history
  • Behavioral symptoms
  • Imaging results
  • Genetic testing

Example Documentation

Patient presents with progressive behavioral changes and MRI shows frontal lobe atrophy.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Dementia with behavior issues.
Good Documentation Example
FTD with disinhibition and MRI-confirmed frontal atrophy.
Explanation
The good example specifies the type of dementia and supporting evidence.

Need help with ICD-10 coding for Frontotemporal Dementia? Ask your questions below.

Ask about any ICD-10 CM code, or paste a medical note

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