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ICD-10 Guide
ICD-10 CodesG54.8

G54.8

Billable

Other nerve root and plexus disorders

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

Code Description

ICD-10 G54.8 is a billable code used to indicate a diagnosis of other nerve root and plexus disorders.

Key Diagnostic Point:

G54.8 encompasses a variety of conditions affecting nerve roots and plexuses that do not fall under more specific categories. These disorders can manifest as pain, weakness, or sensory disturbances due to dysfunction in the peripheral nervous system. Common examples include atypical presentations of cranial nerve disorders, such as trigeminal neuralgia or Bell's palsy, as well as nerve entrapments like carpal tunnel syndrome or ulnar nerve entrapment. Neuropathies, including diabetic neuropathy or post-herpetic neuralgia, may also be classified under this code when they do not fit into more defined categories. Diagnosis often involves a combination of clinical evaluation, nerve conduction studies, and imaging to assess the extent of nerve involvement. Treatment may vary from conservative management, such as physical therapy and medications, to surgical interventions depending on the underlying cause and severity of symptoms.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of conditions included under this code
  • Overlap with other specific nerve disorders
  • Need for comprehensive clinical documentation
  • Potential for misdiagnosis or misclassification

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify the type of nerve disorder
  • Use of G54.8 when a more specific code is applicable
  • Lack of supporting diagnostic tests

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, including sensory and motor assessments.

Common Clinical Scenarios

Patients presenting with unexplained neuropathic pain or weakness.

Billing Considerations

Ensure that all relevant diagnostic tests, such as EMG or nerve conduction studies, are documented.

Orthopedics

Documentation Requirements

Documentation of physical examination findings, imaging results, and treatment plans.

Common Clinical Scenarios

Patients with nerve entrapments due to musculoskeletal issues.

Billing Considerations

Document the relationship between orthopedic conditions and nerve symptoms.

Coding Guidelines

Inclusion Criteria

Use G54.8 When
  • According to ICD
  • 10 guidelines, G54
  • 8 should be used when the specific nerve root or plexus disorder is not classified elsewhere
  • Coders must ensure that the documentation supports the diagnosis and that no more specific code applies

Exclusion Criteria

Do NOT use G54.8 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

95903CPT Code

Nerve conduction study, each nerve

Clinical Scenario

Used to evaluate nerve function in patients with suspected nerve root or plexus disorders.

Documentation Requirements

Document the rationale for the study and findings.

Specialty Considerations

Neurologists should ensure that the study correlates with clinical findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more detailed coding of nerve disorders, enabling better tracking of conditions like those classified under G54.8. This has improved the ability to analyze treatment outcomes and resource allocation.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more detailed coding of nerve disorders, enabling better tracking of conditions like those classified under G54.8. This has improved the ability to analyze treatment outcomes and resource allocation.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more detailed coding of nerve disorders, enabling better tracking of conditions like those classified under G54.8. This has improved the ability to analyze treatment outcomes and resource allocation.

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

What conditions are included under G54.8?

G54.8 includes various nerve root and plexus disorders that do not fit into more specific categories, such as atypical cranial nerve disorders, certain neuropathies, and nerve entrapments.