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ICD-10 Guide
ICD-10 CodesG57.1

G57.1

Billable

Meralgia paresthetica

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

Code Description

ICD-10 G57.1 is a billable code used to indicate a diagnosis of meralgia paresthetica.

Key Diagnostic Point:

Meralgia paresthetica is a condition characterized by numbness, tingling, and burning pain in the outer thigh, caused by compression of the lateral femoral cutaneous nerve. This nerve is responsible for sensation in the skin of the outer thigh. The condition often arises due to factors such as obesity, tight clothing, pregnancy, or prolonged sitting, which can lead to entrapment of the nerve as it passes under the inguinal ligament. Patients may report symptoms that worsen with standing or walking and improve with sitting. Diagnosis is primarily clinical, supported by patient history and physical examination. Electromyography (EMG) and nerve conduction studies may be utilized to rule out other neuropathies or confirm nerve dysfunction. Treatment typically involves conservative measures such as weight loss, physical therapy, and avoidance of aggravating factors. In severe cases, surgical intervention may be necessary to relieve nerve compression.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Variability in symptom presentation among patients
  • Potential overlap with other neuropathic conditions
  • Need for thorough documentation of clinical findings
  • Differentiation from other causes of thigh pain

Audit Risk Factors

  • Insufficient documentation of symptoms and clinical findings
  • Failure to differentiate from other neuropathies
  • Inadequate justification for diagnostic tests
  • Misuse of related codes leading to upcoding or downcoding

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, including sensory and motor assessments.

Common Clinical Scenarios

Patients presenting with unilateral thigh pain and sensory disturbances.

Billing Considerations

Consideration of differential diagnoses such as lumbar radiculopathy or diabetic neuropathy.

Orthopedics

Documentation Requirements

Assessment of musculoskeletal factors contributing to nerve compression.

Common Clinical Scenarios

Patients with obesity or post-surgical changes presenting with thigh pain.

Billing Considerations

Documentation of any surgical history that may contribute to nerve entrapment.

Coding Guidelines

Inclusion Criteria

Use G57.1 When
  • According to ICD
  • 10 guidelines, G57
  • 1 should be used when the condition is specifically diagnosed as meralgia paresthetica
  • It is important to document the clinical findings and any relevant history that supports the diagnosis

Exclusion Criteria

Do NOT use G57.1 When
  • Exclusion criteria include other neuropathies that may present similarly

Related ICD-10 Codes

Related CPT Codes

95870CPT Code

Nerve conduction studies

Clinical Scenario

Used to confirm diagnosis of meralgia paresthetica by assessing nerve function.

Documentation Requirements

Document the rationale for nerve conduction studies and findings.

Specialty Considerations

Neurologists should ensure comprehensive documentation of all findings.

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of meralgia paresthetica, improving the accuracy of diagnosis and treatment tracking. This specificity aids in better understanding the condition's prevalence and management outcomes.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of meralgia paresthetica, improving the accuracy of diagnosis and treatment tracking. This specificity aids in better understanding the condition's prevalence and management outcomes.

Reimbursement & Billing Impact

The transition to ICD-10 has allowed for more specific coding of meralgia paresthetica, improving the accuracy of diagnosis and treatment tracking. This specificity aids in better understanding the condition's prevalence and management outcomes.

Resources

Clinical References

  • •
    American Academy of Neurology

Coding & Billing References

  • •
    American Academy of Neurology

Frequently Asked Questions

What are the common symptoms of meralgia paresthetica?

Common symptoms include numbness, tingling, and burning pain in the outer thigh, often exacerbated by standing or walking.

How is meralgia paresthetica diagnosed?

Diagnosis is primarily clinical, based on patient history and physical examination, with nerve conduction studies used to confirm nerve involvement.

What treatments are available for meralgia paresthetica?

Treatment options include conservative measures such as weight loss, physical therapy, and avoiding tight clothing. In severe cases, surgical intervention may be necessary.