G57.3
Lesion of lateral popliteal nerve
Clinical Classification Guidelines
Inclusion Terms
- Peroneal nerve palsy
Medical Intelligence & Overview
A lesion of the lateral popliteal nerve, also known as peroneal nerve palsy, involves damage to a nerve located near the knee. This nerve is responsible for controlling certain muscles in the lower leg and foot, as well as providing sensation to parts of the lower leg and foot. When affected, it can lead to weakness, numbness, or other sensory and motor disturbances. Understanding this condition helps in recognizing symptoms and exploring potential treatment options, though medical consultation is essential for personalized care.
Causes & Symptoms
Clinical Causes: Trauma or injury to the knee or leg, such as fractures, dislocations, or heavy blows. Compression of the nerve due to prolonged pressure, like crossing legs for long periods or tightly fitting casts or bandages. Surgical complications involving the knee, hip, or lower leg. Prolonged sitting or bedridden states that cause nerve compression. Repeated or sustained pressure from heavy or tight footwear. Neurological conditions that affect nerve health. Tumors or cysts pressing on the nerve pathway. Lower leg or knee infections causing inflammation around the nerve.
Key Symptoms: Weakness in the muscles that lift the foot and toes, leading to a condition called foot drop. Numbness or loss of sensation on the top of the foot and the outer part of the lower leg. Difficulty lifting the front part of the foot, which can cause dragging while walking. A feeling of tingling or pins and needles in affected areas. In some cases, muscle wasting or atrophy if the nerve damage is long-standing.
Diagnostic & Treatment
Diagnosis Path: Diagnosing a lesion of the lateral popliteal nerve usually involves a comprehensive clinical examination, where a healthcare professional assesses muscle strength, sensation, and reflexes. Additional tests may include nerve conduction studies and electromyography (EMG) to evaluate nerve function and determine the location and severity of the injury. Imaging techniques such as MRI or ultrasound can help identify any structural causes, like compression or lesions near the nerve.
Treatment Protocols: Management of a lateral popliteal nerve lesion focuses on addressing the underlying cause and promoting nerve recovery. Treatment options may include:
Clinical Advice & FAQs
Billing Guidance
Is G57.3 a billable ICD-10 code?
Yes, G57.3 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report G57.3?
Clinical documentation must specify the nature of Lesion of lateral popliteal nerve and any associated comorbidities for accurate reporting.
Cite this Clinical Reference