ICD-10 Logo
ICDxICD-10 Medical Coding
ICD-10 Logo
ICDxICD-10 Medical Coding
ICD 10 CodesDiagnoses
ICD 10 CodesDiagnoses
ICD-10 Logo
ICDxICD-10 Medical Coding

Comprehensive ICD-10-CM code reference with AI-powered search capabilities.

© 2025 ICD Code Compass. All rights reserved.

Browse

  • All Chapters
  • All Categories
  • Diagnoses

Tools

  • AI Code Search
ICD-10-CM codes are maintained by the CDC and CMS. This tool is for reference purposes only.
v1.0.0
ICD-10 Guide
ICD-10 CodesG57.32

G57.32

Billable

Lesion of lateral popliteal nerve, left lower limb

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

Code Description

ICD-10 G57.32 is a billable code used to indicate a diagnosis of lesion of lateral popliteal nerve, left lower limb.

Key Diagnostic Point:

The lateral popliteal nerve, a branch of the sciatic nerve, is responsible for innervating the muscles that control dorsiflexion and eversion of the foot. A lesion of this nerve can result from various causes, including trauma, compression, or entrapment, leading to symptoms such as foot drop, weakness in ankle dorsiflexion, and sensory loss over the lateral aspect of the leg and dorsum of the foot. Patients may present with difficulty walking, tripping, or experiencing numbness and tingling in the affected areas. Diagnosis typically involves a thorough clinical examination, nerve conduction studies, and possibly imaging to identify the underlying cause of the nerve lesion. Treatment may include physical therapy, orthotic devices, and in some cases, surgical intervention to relieve compression or repair the nerve. Accurate coding is essential for proper reimbursement and to reflect the severity and impact of the condition on the patient's functional status.

Code Complexity Analysis

Complexity Rating: Medium

Medium Complexity

Complexity Factors

  • Differentiating between various types of neuropathies and nerve lesions.
  • Understanding the specific anatomical location and function of the lateral popliteal nerve.
  • The need for detailed documentation of symptoms and diagnostic tests.
  • Potential overlap with other codes related to neuropathies and nerve injuries.

Audit Risk Factors

  • Inadequate documentation of the clinical findings and diagnostic tests.
  • Failure to specify the laterality of the nerve lesion.
  • Misclassification of the type of neuropathy or nerve injury.
  • Inconsistent coding practices across different providers.

Specialty Focus

Medical Specialties

Neurology

Documentation Requirements

Detailed neurological examination findings, including motor and sensory assessments.

Common Clinical Scenarios

Patients presenting with foot drop, numbness, or weakness in the lower limb.

Billing Considerations

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

Orthopedics

Documentation Requirements

Surgical notes if intervention is performed, including pre-operative and post-operative assessments.

Common Clinical Scenarios

Patients with traumatic injuries leading to nerve lesions or those requiring surgical decompression.

Billing Considerations

Document the mechanism of injury and any associated injuries to the knee or leg.

Coding Guidelines

Inclusion Criteria

Use G57.32 When
  • According to ICD
  • 10 coding guidelines, G57
  • 32 should be used when there is a confirmed diagnosis of a lesion of the lateral popliteal nerve in the left lower limb
  • Documentation must support the diagnosis, including clinical findings and any relevant imaging or nerve conduction studies

Exclusion Criteria

Do NOT use G57.32 When
No specific exclusions found.

Related ICD-10 Codes

Related CPT Codes

95900CPT Code

Nerve conduction study, each nerve; motor, sensory, or mixed

Clinical Scenario

Used to evaluate the function of the lateral popliteal nerve in patients with suspected lesions.

Documentation Requirements

Document the specific nerves tested and the findings.

Specialty Considerations

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

ICD-10 Impact

Diagnostic & Documentation Impact

Enhanced Specificity

ICD-10 Improvements

The transition to ICD-10 has allowed for more specific coding of nerve lesions, improving the accuracy of diagnoses and treatment plans. G57.32 provides a clear designation for lateral popliteal nerve lesions, facilitating better patient management and reimbursement.

ICD-9 vs ICD-10

The transition to ICD-10 has allowed for more specific coding of nerve lesions, improving the accuracy of diagnoses and treatment plans. G57.32 provides a clear designation for lateral popliteal nerve lesions, facilitating better patient management and reimbursement.

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 causes of a lateral popliteal nerve lesion?

Common causes include trauma, compression from prolonged sitting or crossing legs, and surgical complications. Conditions like tumors or swelling in the area can also lead to nerve lesions.