S94.21XA
ICD-10-CMInjury of deep peroneal nerve at ankle and foot level, right leg, initial encounter
This code signifies an acute injury to the deep peroneal nerve in the right leg, specifically at the ankle or foot level. This nerve is crucial for dorsiflexion of the foot and sensation to the first web space, so an injury here can lead to foot drop or numbness. "Initial encounter" indicates that this is the first time the patient is being seen for this specific injury.
Use this code for patients presenting with new onset symptoms such as foot drop, weakness in ankle dorsiflexion, or sensory deficits in the first web space of the right foot, following a traumatic event. Common scenarios include direct trauma to the ankle/foot, compression injuries, or stretch injuries affecting the deep peroneal nerve.
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