1004T Elec alys s-scl eeg wo prgrm
Also known as: Electrocorticography, Surface EEG monitoring
Electrocorticography (intracranial surface electroencephalography) monitoring without programming for seizure management. Placement of electrode grid on exposed cerebral cortex without neurostimulator adjustment.
In Plain Language
Brain surface recording; Cortical electrical monitoring
Clinical Context
Category III investigational procedure for intraoperative electrophysiologic mapping in epilepsy surgery planning and seizure localization without device programming.
RVU Information
CPT 1004T 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 1004T?
CPT 1004T (Elec alys s-scl eeg wo prgrm) is a Category III code. Electrocorticography (intracranial surface electroencephalography) monitoring without programming for seizure management. Placement of electrode grid on exposed cerebral cortex without neurostimulator adjustment.
Is 1004T a permanent CPT code?
No — 1004T 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 1004T used?
Category III investigational procedure for intraoperative electrophysiologic mapping in epilepsy surgery planning and seizure localization without device programming.
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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.