The primary care provider performs sNCT/CPT studies to assist in the
differential diagnosis of polyneuropathy, compressive/focal neuropathy and
radiculopathy. This electrodiagnostic study is only administered when
clinical findings suggest a sensory impairment requiring an objective
quantitative assessment. Typically, the study is only conducted once on a
trauma patient unless there is the development of new sensory symptoms which
warrant an evaluation. Annual sNCT evaluations for patients at risk for polyneuropathy (e.g.,
metabolic syndrome, diabetes, hypothyroidism, hepatic or uremic conditions) are recommended to objectively
assess the presence or absence of a polyneuropathy. Once sensory abnormalities are detected, annual follow-up examinations may be
indicated to quantify the progression of the polyneuropathy.
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