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G473
G473 – Complex neuromuscular electrodiagnostic testing - professional component
OHIP Diagnostic and Therapeutic Procedures Code — DIAGNOSTIC AND THERAPEUTIC PROCEDURES · Schedule of Benefits
Professional component, when physician performs EMG and/or performs or supervises nerve conduction studies and interprets the results. This is for complex neuromuscular electrodiagnostic testing requiring a minimum of 60 minutes of direct physician involvement. The testing must include ten (10) or more electrodiagnostic studies, performed through any combination of the following: Nerve conduction studies, Late motor response studies, Needle electromyography of distinct muscles, Repetitive stimulation of muscle-nerve pairs, Autonomic function studies. For the purposes of G471/G473, the cranial, cervical, thoracic and lumbosacral regions represent separate segments. Complex neuromuscular disorders where Schedule C nerve conduction studies/electromyography may be appropriate include demyelinating neuropathies, mononeuritis multiplex, motor neuron disease, brachial/lumbosacral plexopathies and neuromuscular transmission disorders.
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