Innovative Medical Technology
Neurometer® sNCT/CPT® Diagnostic Applications and Utilization Guidelines
Indications for the Neurometer® CPT® sNCT™ Evaluation
Diagnosis & Utilization Guidelines Anatomic & Neuroselective
General Indications and Clinical Applications for sNCT Studies in Patient Management
sNCT studies are performed
to evaluate and document a variety of sensory neuropathological
conditions that can result from metabolic impairments, compressive or
traumatic lesions, toxic exposure, infectious/neoplastic diseases,
immunological disorders, digestive impairments, hereditary impairments
or environmental exposure. sNCT findings assist in patient management in
four primary areas:
1. Identifying abnormal sensory nerve function.
2. Localizing areas of abnormal function.
3. Quantifying the severity of an abnormality.
4. Monitoring the course of a progressive neuropathy or the efficacy of a treatment.
sNCT studies are indicated for patients with a suspected diagnosis of sensory nerve dysfunction in need of confirmation and evaluation. The studies objectively quantify sensory function when the history (sensory symptoms) and physical examination (abnormalities detected with tuning fork, pinwheel, radiating pain reproduced with provocative orthopedic maneuvers etc.) merit further investigation. They are not indicated for routine use with every patient, however. For instance, gross, clearly delineated sensory impairments like hemiplegia or paraplegia generally do not require electrodiagnostic evaluations.
More focal, as well as more diffuse sensory impairments, often do require electrodiagnostic evaluations such as sNCT studies to precisely localize the somatic distribution and determine the severity of the impairment. Incorporating clinical findings with the data provided by a sNCT study can assist the clinician to diagnose conditions cited at the top of this page.
sNCT studies may be used
to determine if a patient’s symptoms are consistent with sensory neuropathy
or with a non-neurological impairment. Non-neurological conditions, such as
vascular insufficiency, soft tissue lesions, arthritis, ligament sprain or
muscular strain, can include symptoms of radiating pain that may mimic
neuropathic conditions. Electrodiagnostic studies like sNCT, are used to
confirm or rule out sensory neuropathy, assist in reaching a diagnosis and
help in prescribing appropriate treatment. Also, although sensory
electrodiagnostic studies can not directly evaluate motor impairments, many
Medicare carriers support the use of sensory electrodiagnostic studies
during the evaluation of ALS (motor neuron disease), myopathy (muscle
disease) and neuromuscular junction disorders in order to objectively
confirm the absence of sensory impairments.
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