0858T External trnscranl mag stimj meas
Also known as: transcranial magnetic stim, motor cortex assessment
Extracranial transcranial magnetic stimulation measurement and analysis. Measurement of motor cortex excitability using magnetic stimulation.
In Plain Language
Measuring nerve response with magnetic pulses to the head; Magnetic brain stimulation test
Clinical Context
Used to assess motor cortex excitability and motor pathway conduction in patients with neurologic disease or spinal cord injury.
RVU Information
CPT 0858T does not have a physician work RVU assigned by CMS. Category III codes for emerging technology do not receive RVU assignments. Reimbursement is negotiated with individual payers.
Billing & Documentation
Category III codes are temporary codes for emerging technology, services, and procedures. They are not assigned RVU values by CMS. Coverage and reimbursement vary by payer — check with individual insurers before billing. These codes sunset after 5 years if not converted to Category I.
Specialties
Frequently Asked Questions
What is CPT code 0858T?
CPT 0858T (External trnscranl mag stimj meas) is a Category III code. Extracranial transcranial magnetic stimulation measurement and analysis. Measurement of motor cortex excitability using magnetic stimulation.
Is 0858T a permanent CPT code?
No — 0858T is a Category III temporary code for emerging technology. It may be converted to a permanent Category I code if widely adopted. Category III codes expire after 5 years without renewal.
When is CPT 0858T used?
Used to assess motor cortex excitability and motor pathway conduction in patients with neurologic disease or spinal cord injury.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.