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ICD-10 Guide
ICD-10 CodesChapter 6: Diseases of the nervous systemG52

G52

Billable

Disorders of other cranial nerves

Chapter 6:Diseases of the nervous system

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

Code Description

ICD-10 G52 is a billable code used to indicate a diagnosis of disorders of other cranial nerves.

Key Diagnostic Point:

Disorders of other cranial nerves encompass a variety of conditions affecting the cranial nerves that are not classified under more specific categories. These disorders can manifest as neuropathies, entrapments, or other dysfunctions of cranial nerves, leading to symptoms such as pain, weakness, sensory loss, or autonomic dysfunction. Common cranial nerve disorders include trigeminal neuralgia, Bell's palsy, and various forms of cranial nerve neuropathy. Diagnosis often involves a thorough clinical evaluation, including a detailed history and neurological examination, and may be supplemented by imaging studies or nerve conduction studies to assess nerve function and identify potential entrapments. Treatment options vary widely depending on the underlying cause and may include medications, physical therapy, or surgical interventions. Accurate coding is essential for proper reimbursement and to reflect the complexity of the patient's condition.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variety of symptoms and presentations
  • Overlap with other neurological conditions
  • Need for detailed documentation of clinical findings
  • Potential for multiple cranial nerves to be involved

Audit Risk Factors

  • Inadequate documentation of symptoms
  • Failure to specify the affected cranial nerve
  • Misclassification of the disorder type
  • Lack of supporting diagnostic tests

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, including specific cranial nerve assessments.

Common Clinical Scenarios

Patients presenting with facial pain, weakness, or sensory disturbances.

Billing Considerations

Ensure clear documentation of the cranial nerve involved and the nature of the disorder.

Otolaryngology

Documentation Requirements

Thorough history of symptoms, including onset, duration, and impact on daily activities.

Common Clinical Scenarios

Patients with facial nerve palsy or other cranial nerve-related symptoms affecting hearing or balance.

Billing Considerations

Document any surgical interventions or treatments provided.

Coding Guidelines

Inclusion Criteria

Use G52 When
  • According to ICD
  • 10 coding guidelines, G52 should be used when the disorder is specifically related to cranial nerves other than those classified under more specific codes
  • Documentation must support the diagnosis and include details about the affected nerve and symptoms

Exclusion Criteria

Do NOT use G52 When
No specific exclusions found.

Related CPT Codes

95870CPT Code

Nerve conduction studies

Clinical Scenario

Used to evaluate nerve function in patients with suspected cranial nerve disorders.

Documentation Requirements

Document the specific nerves tested and the rationale for the study.

Specialty Considerations

Neurologists should ensure that the clinical indications for the study are clearly outlined.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of cranial nerve disorders, improving the granularity of data for research and treatment outcomes. This specificity aids in better understanding the prevalence and management of these conditions.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of cranial nerve disorders, improving the granularity of data for research and treatment outcomes. This specificity aids in better understanding the prevalence and management of these conditions.

Reimbursement & Billing Impact

reimbursement.

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 are the common symptoms of cranial nerve disorders?

Common symptoms include facial weakness, sensory loss, pain, double vision, and difficulty swallowing, depending on the specific cranial nerve affected.

How are cranial nerve disorders diagnosed?

Diagnosis typically involves a detailed clinical history, neurological examination, and may include imaging studies or nerve conduction studies to assess nerve function.