S54.00
Injury of ulnar nerve at forearm level, unspecified arm
Clinical Classification Guidelines
Medical Intelligence & Overview
An injury of the ulnar nerve at the forearm level is a type of nerve damage that affects the ulnar nerve—a major nerve running from the neck down to the hand. This injury can result from trauma, repetitive movements, or other medical conditions that cause compression or stretching of the nerve. Since the ulnar nerve supplies muscles and skin of the hand and forearm, damage to this nerve may lead to weakness, tingling, or numbness in the affected areas, impacting daily activities and hand function.
Causes & Symptoms
Clinical Causes: Trauma or direct injury to the forearm, such as fractures or cuts Repetitive motions causing nerve overuse or compression, common in certain occupations or sports Pressure from prolonged leaning or leaning on the elbow (cubital tunnel syndrome) Infections or inflammatory conditions affecting nerve tissue Tumors or cysts pressing on the nerve Medical procedures or surgeries near the forearm that inadvertently harm the nerve Degenerative conditions or nerve entrapment syndromes
Key Symptoms: Numbness or tingling sensation in the ring and little fingers Weakness in the hand, especially in finger movements Decreased grip strength, making it difficult to hold objects Pain or discomfort along the inside of the forearm Muscle wasting in severe cases, leading to visible hand deformities Difficulty with fine motor skills such as buttoning or writing
Diagnostic & Treatment
Diagnosis Path: Diagnosing a ulnar nerve injury involves a thorough medical history review and physical examination. Healthcare providers may perform specific tests to assess nerve function and muscle strength. Additional diagnostic tools include electromyography (EMG) and nerve conduction studies, which measure electrical activity and conduction velocity to pinpoint the site of nerve damage. Imaging studies like MRI or ultrasound may be utilized to visualize structural causes, such as tumors or cysts compressing the nerve.
Treatment Protocols: Rest and avoiding activities that exacerbate symptoms Immobilization with splints or braces to reduce nerve compression Physical therapy to strengthen muscles and improve nerve function Pain management through medications or alternative therapies Surgical interventions, such as nerve decompression or repair, in cases of severe or persistent injury Addressing underlying causes, like removing pressure sources or treating infections
Clinical Advice & FAQs
Billing Guidance
Is S54.00 a billable ICD-10 code?
Yes, S54.00 is a specific, billable code that can be used to indicate a diagnosis for reimbursement purposes.
Documentation
How do I report S54.00?
Clinical documentation must specify the nature of Injury of ulnar nerve at forearm level, unspecified arm and any associated comorbidities for accurate reporting.
Cite this Clinical Reference