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2012 Texas Medicaid Provider Procedures Manual

Inpatient and Outpatient Hospital Services Handbook : 4. Outpatient Hospital (Medical/Surgical Acute Care Outpatient Facility) : 4.2 Services, Benefits, Limitations, and Prior Authorization : 4.2.10 Electrodiagnostic (EDX) Testing

Electromyography (EMG) and nerve conduction studies (NCS), collectively known as EDX testing, must be medically indicated and may be reimbursed to outpatient hospitals. Testing must be performed using EDX equipment that provides assessment of all parameters of the recorded signals. Studies performed with devices designed only for screening purposes rather than diagnoses are not a benefit of Texas Medicaid.
NCS and EMG studies are diagnosis restricted and may require prior authorization.
Refer to:
Subsection, “Electrodiagnostic (EDX) Testing,” in the Medical and Nursing Specialists, Physicians, and Physician Assistants Handbook (Vol. 2, Provider Handbooks).

Texas Medicaid & Healthcare Partnership
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