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ICD-10 Guide
ICD-10 CodesG52.8

G52.8

Billable

Disorders of other specified cranial nerves

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

Code Description

ICD-10 G52.8 is a billable code used to indicate a diagnosis of disorders of other specified cranial nerves.

Key Diagnostic Point:

Disorders of other specified cranial nerves encompass a range of conditions affecting cranial nerves that are not classified under more specific categories. These disorders can result from various etiologies, including trauma, compression, inflammation, or systemic diseases. Symptoms may vary widely depending on the affected nerve, leading to dysfunctions such as sensory loss, motor impairment, or autonomic disturbances. Common cranial nerve disorders include trigeminal neuralgia, Bell's palsy, and various neuropathies. Diagnosis often involves a thorough clinical examination, imaging studies, and nerve conduction studies to assess the integrity and function of the affected nerves. Treatment may include pharmacological interventions, physical therapy, or surgical options, depending on the underlying cause and severity of the disorder. 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 based on the affected cranial nerve
  • Differential diagnosis may include multiple conditions
  • Need for comprehensive documentation of clinical findings
  • Potential overlap with other neurological disorders

Audit Risk Factors

  • Inadequate documentation of symptoms and clinical findings
  • Failure to specify the affected cranial nerve
  • Misuse of related codes leading to upcoding or downcoding
  • Lack of supporting diagnostic tests in the medical record

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, imaging results, and nerve conduction study reports.

Common Clinical Scenarios

Patients presenting with facial weakness, sensory disturbances, or pain in the distribution of cranial nerves.

Billing Considerations

Ensure clarity in documenting the specific cranial nerve involved and the nature of the disorder.

Otolaryngology

Documentation Requirements

Thorough history of symptoms, examination findings, and any relevant imaging studies.

Common Clinical Scenarios

Patients with symptoms of dysphagia, hoarseness, or other cranial nerve-related issues.

Billing Considerations

Document any surgical interventions or treatments that may impact coding.

Coding Guidelines

Inclusion Criteria

Use G52.8 When
  • Follow the official ICD
  • CM coding guidelines, ensuring that the code is used only when the specific cranial nerve disorder is documented

Exclusion Criteria

Do NOT use G52.8 When
  • Exclude conditions that are more specifically classified under other codes

Related ICD-10 Codes

Related CPT Codes

95903CPT Code

Nerve conduction study, each nerve

Clinical Scenario

Used to evaluate the function of cranial nerves in patients with suspected disorders.

Documentation Requirements

Document the specific nerves tested and the results of the study.

Specialty Considerations

Neurologists should ensure that the rationale for testing is clearly documented.

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 accuracy of diagnoses and treatment tracking. G52.8 provides a broader classification for disorders that do not fit neatly into other categories.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of cranial nerve disorders, improving the accuracy of diagnoses and treatment tracking. G52.8 provides a broader classification for disorders that do not fit neatly into other categories.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of cranial nerve disorders, improving the accuracy of diagnoses and treatment tracking. G52.8 provides a broader classification for disorders that do not fit neatly into other categories.

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 causes of cranial nerve disorders?

Common causes include trauma, infections, tumors, vascular issues, and systemic diseases such as diabetes or multiple sclerosis.