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v1.0.0
ICD-10 Guide
ICD-10 CodesG32.8

G32.8

Billable

Other specified degenerative disorders of nervous system in diseases classified elsewhere

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

Code Description

ICD-10 G32.8 is a billable code used to indicate a diagnosis of other specified degenerative disorders of nervous system in diseases classified elsewhere.

Key Diagnostic Point:

G32.8 encompasses a variety of degenerative disorders of the nervous system that are not classified under more specific codes. This includes conditions such as Alzheimer's disease, which is characterized by progressive cognitive decline, memory loss, and changes in behavior. Other degenerative diseases may include frontotemporal dementia, Lewy body dementia, and other atypical presentations of neurodegeneration. These disorders often lead to significant impairment in daily functioning and require comprehensive assessment and management strategies. Cognitive decline assessment is crucial in diagnosing these conditions, often involving neuropsychological testing, imaging studies, and clinical evaluations to differentiate between various types of dementia and other neurodegenerative disorders. Accurate coding is essential for appropriate treatment planning and reimbursement, as well as for tracking the prevalence and impact of these conditions in the healthcare system.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of underlying conditions that can be classified under this code
  • Need for comprehensive documentation to support the diagnosis
  • Differentiation from other similar codes (e.g., Alzheimer's disease specific codes)
  • Potential for overlapping symptoms with other neurological disorders

Audit Risk Factors

  • Inadequate documentation of cognitive assessments
  • Failure to specify the underlying condition leading to degeneration
  • Misuse of this code when a more specific code is available
  • Lack of clarity in the clinical notes regarding the patient's cognitive status

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, cognitive assessment results, and imaging studies.

Common Clinical Scenarios

Patients presenting with memory loss, confusion, and behavioral changes.

Billing Considerations

Ensure that all relevant diagnostic tests are documented to support the diagnosis.

Geriatrics

Documentation Requirements

Comprehensive geriatric assessment including functional status and cognitive evaluations.

Common Clinical Scenarios

Older adults with progressive cognitive decline and functional impairment.

Billing Considerations

Consideration of comorbidities and their impact on cognitive function.

Coding Guidelines

Inclusion Criteria

Use G32.8 When
  • According to ICD
  • 10 coding guidelines, G32
  • 8 should be used when the specific degenerative disorder is not classified elsewhere
  • Coders must ensure that the documentation supports the diagnosis and that the condition is not better described by a more specific code

Exclusion Criteria

Do NOT use G32.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

96136CPT Code

Neuropsychological testing

Clinical Scenario

Used to assess cognitive function in patients suspected of having degenerative disorders.

Documentation Requirements

Document the specific tests performed and the results.

Specialty Considerations

Neurologists and psychologists should ensure comprehensive reports are available.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of degenerative disorders, improving the ability to track and manage these conditions. G32.8 serves as a catch-all for less common disorders, emphasizing the need for thorough documentation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of degenerative disorders, improving the ability to track and manage these conditions. G32.8 serves as a catch-all for less common disorders, emphasizing the need for thorough documentation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of degenerative disorders, improving the ability to track and manage these conditions. G32.8 serves as a catch-all for less common disorders, emphasizing the need for thorough documentation.

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 G32.8 instead of a more specific code?

Use G32.8 when the specific degenerative disorder is not classified elsewhere and when documentation supports the diagnosis without a more specific code being applicable.