G0453 – Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure)

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Active code Carrier judgment

HCPCS codeG0453
Long description
Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure)
Short description
Cont intraop neuro monitor
Pricing indicator
13 Priced by the Medicare contractor (carrier)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
T2D Other tests - other
Added
January 1, 2013
Last change
January 1, 2013 – No change

Frequently asked questions

What is HCPCS code G0453?

G0453 is a HCPCS Level II code for continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, (attention directed exclusively to one patient) each 15 minutes (list in addition to primary procedure).

Does Medicare cover G0453?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.