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v1.0.0
ICD-10 Guide
ICD-10 CodesF02.8

F02.8

Billable

Dementia in other diseases classified elsewhere, unspecified severity

BILLABLE STATUSYes
IMPLEMENTATION DATEOctober 1, 2015
LAST UPDATED09/05/2025

Code Description

ICD-10 F02.8 is a billable code used to indicate a diagnosis of dementia in other diseases classified elsewhere, unspecified severity.

Key Diagnostic Point:

F02.8 refers to dementia that arises as a complication of other diseases not specifically classified under dementia-related codes. This includes conditions such as Parkinson's disease, Huntington's disease, and other neurodegenerative disorders that can lead to cognitive decline. Patients may exhibit a range of cognitive impairments, including memory loss, difficulty with language, impaired judgment, and changes in personality. Behavioral symptoms such as agitation, depression, and anxiety are also common. The severity of dementia can vary widely among individuals, and it is often challenging to assess due to the underlying disease processes. Caregiver support is crucial, as caregivers often face significant emotional and physical burdens while managing the complexities of dementia care. Effective communication and education about the disease can help caregivers provide better support and improve the quality of life for both themselves and the patient.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying diseases that can cause dementia
  • Overlap of symptoms with other mental health conditions
  • Need for comprehensive documentation of cognitive assessments
  • Variability in severity and progression of dementia

Audit Risk Factors

  • Inadequate documentation of the underlying disease
  • Failure to specify the severity of dementia
  • Lack of cognitive assessment results
  • Inconsistent use of related codes

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological assessments, cognitive testing results, and documentation of the underlying disease process.

Common Clinical Scenarios

Patients with Parkinson's disease presenting with cognitive decline, or patients with Huntington's disease showing behavioral changes.

Billing Considerations

Neurologists must ensure that the documentation clearly links the dementia symptoms to the underlying neurological condition.

Geriatrics

Documentation Requirements

Comprehensive geriatric assessments, including cognitive and functional evaluations.

Common Clinical Scenarios

Older adults with multiple comorbidities presenting with cognitive impairment.

Billing Considerations

Geriatricians should focus on the impact of dementia on daily living activities and the need for caregiver support.

Coding Guidelines

Inclusion Criteria

Use F02.8 When
  • According to ICD
  • 10 coding guidelines, F02
  • 8 should be used when dementia is documented as a complication of another disease
  • Coders must ensure that the primary diagnosis reflects the underlying condition, and F02
  • 8 is used as a secondary code to indicate the presence of dementia

Exclusion Criteria

Do NOT use F02.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

96116CPT Code

Neuropsychological testing

Clinical Scenario

Used to assess cognitive function in patients with suspected dementia.

Documentation Requirements

Results of cognitive assessments must be documented.

Specialty Considerations

Neurologists and psychologists should collaborate on documentation.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of dementia types, improving the accuracy of data collection and reimbursement processes. F02.8 provides a means to capture dementia related to various underlying diseases, which was less clearly defined in ICD-9.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of dementia types, improving the accuracy of data collection and reimbursement processes. F02.8 provides a means to capture dementia related to various underlying diseases, which was less clearly defined in ICD-9.

Reimbursement & Billing Impact

reimbursement processes. F02.8 provides a means to capture dementia related to various underlying diseases, which was less clearly defined in ICD-9.

Resources

Clinical References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Coding & Billing References

  • •
    ICD-10-CM Official Guidelines for Coding and Reporting

Frequently Asked Questions

When should I use F02.8?

Use F02.8 when a patient has dementia that is a complication of another disease not specifically classified under dementia codes, ensuring that the underlying condition is well-documented.