G83: Other paralytic syndromes
G83.6: Upper motor neuron facial paralysis
Upper motor neuron facial paralysis, as denoted by the ICD-10 code G83.6, is a neurological condition characterized by the weakening or complete loss of motor function in the facial muscles. This type of paralysis is caused by damage to the upper motor neurons in the brain that are responsible for transmitting signals to the facial muscles. Common symptoms of upper motor neuron facial paralysis include drooping of the mouth or eyelids, difficulty in facial expression like smiling or frowning, and problems with eye movement. It's important to note that the issues with facial movement and expression are usually one-sided. Often, upper motor neuron facial paralysis does not affect sensory functions such as the ability to feel pain or changes in temperature.
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