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ICD-10 Guide
ICD-10 CodesG51.2

G51.2

Billable

Melkersson's syndrome

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

Code Description

ICD-10 G51.2 is a billable code used to indicate a diagnosis of melkersson's syndrome.

Key Diagnostic Point:

Melkersson's syndrome is a rare neurological disorder characterized by recurrent episodes of facial swelling, often accompanied by facial paralysis and cheilitis granulomatosa. The condition primarily affects the facial nerve (cranial nerve VII) and can lead to significant morbidity due to its recurrent nature. Patients may experience episodes of swelling of the lips, cheeks, and eyelids, which can be painful and disfiguring. The etiology of Melkersson's syndrome remains unclear, but it is thought to involve an autoimmune component or a genetic predisposition. Diagnosis is typically clinical, supported by imaging studies to rule out other causes of facial swelling and nerve involvement. Treatment options are limited and may include corticosteroids to reduce inflammation and swelling, as well as symptomatic management for facial paralysis. Due to its complex presentation and the involvement of cranial nerves, accurate coding is essential for proper management and reimbursement.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in clinical presentation among patients
  • Need for differential diagnosis to rule out other cranial nerve disorders
  • Potential overlap with other conditions like sarcoidosis or Crohn's disease
  • Documentation of recurrent episodes and their severity

Audit Risk Factors

  • Inadequate documentation of recurrent episodes
  • Failure to differentiate from other cranial nerve disorders
  • Lack of supporting imaging studies in the medical record
  • Misuse of related codes that do not accurately reflect the condition

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, including cranial nerve assessments and imaging results.

Common Clinical Scenarios

Patients presenting with recurrent facial swelling and neurological deficits.

Billing Considerations

Neurologists should document the frequency and duration of episodes, as well as any associated symptoms.

Dermatology

Documentation Requirements

Clinical notes on skin manifestations, including descriptions of cheilitis granulomatosa.

Common Clinical Scenarios

Patients with facial swelling and granulomatous lesions on the lips.

Billing Considerations

Dermatologists should note any treatments provided for skin symptoms and their effectiveness.

Coding Guidelines

Inclusion Criteria

Use G51.2 When
  • According to ICD
  • 10 guidelines, G51
  • 2 should be used when the clinical presentation aligns with Melkersson's syndrome, particularly with recurrent facial swelling and associated symptoms

Exclusion Criteria

Do NOT use G51.2 When
  • Exclusion criteria include other known causes of facial swelling or cranial nerve involvement

Related ICD-10 Codes

Related CPT Codes

95870CPT Code

Nerve conduction studies

Clinical Scenario

Used to assess the function of the facial nerve in patients with suspected Melkersson's syndrome.

Documentation Requirements

Document the rationale for nerve conduction studies and findings.

Specialty Considerations

Neurologists should ensure that the studies are interpreted in the context of the patient's clinical presentation.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of Melkersson's syndrome, improving the accuracy of diagnosis and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of Melkersson's syndrome, improving the accuracy of diagnosis and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of Melkersson's syndrome, improving the accuracy of diagnosis and treatment tracking. It has also facilitated better data collection for research and epidemiological studies.

Resources

Clinical References

  • •
    Melkersson's Syndrome Overview

Coding & Billing References

  • •
    Melkersson's Syndrome Overview

Frequently Asked Questions

What are the key symptoms of Melkersson's syndrome?

Key symptoms include recurrent facial swelling, facial paralysis, and cheilitis granulomatosa. Patients may experience episodes of swelling that can be painful and disfiguring.

How is Melkersson's syndrome diagnosed?

Diagnosis is primarily clinical, based on the history of recurrent facial swelling and associated symptoms. Imaging studies may be used to rule out other conditions.