G0453 Cont intraop neuro monitor
What G0453 is
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 long description, CMS October 2026 file. See the G codes page for the full section.
Medicare payment for G0453 (CY2026)
| Work RVU | Practice expense RVU | Malpractice RVU | Total | Medicare rate | |
|---|---|---|---|---|---|
| Non-facility (office) | 0.60 | 0.17 | 0.05 | 0.82 | $27.39 |
| Facility (hospital, ASC) | 0.60 | 0.17 | 0.05 | 0.82 | $27.39 |
National rates: total RVUs x the CY2026 conversion factor of 33.4009 (non-QP), before geographic adjustment. Actual Medicare payment is 80% of the rate shown after the deductible; the patient or secondary payer owes the 20% coinsurance.
Status: Active - payable under the Physician Fee Schedule. Global period: Global concept does not apply.
Medically Unlikely Edit (MUE)
Medicare caps G0453 at 40 units per date of service for practitioner claims (MAI 3 - date of service edit (clinical): units above the MUE may pay with documentation on appeal), rationale: Clinical: CMS Workgroup. Units above the cap are denied unless the edit's adjudication rules allow an appeal with documentation.
Billed with G0453? These codes are bundled into it
G0453 is a Column 1 code in 6 active NCCI PTP edits. When one of these Column 2 codes is reported on the same date of service, it is denied as bundled - unless the edit's modifier indicator is 1 and documentation supports a distinct service with an NCCI-associated modifier.
| Column 2 code | Short description | Modifier indicator | |
|---|---|---|---|
36591 | Draw blood off venous device | 0 - no modifier bypass | Check pair |
36592 | Collect blood from picc | 0 - no modifier bypass | Check pair |
95872 | Ndl emg single fiber eltrd | 1 - modifier may bypass | Check pair |
95875 | Limb exercise test | 1 - modifier may bypass | Check pair |
95941 | Ionm remote/>1 pt or per hr | 0 - no modifier bypass | Check pair |
96523 | Irrig drug delivery device | 0 - no modifier bypass | Check pair |
G0453 is bundled into these codes
G0453 appears as a Column 2 code in 742 active edits. Reported with one of these Column 1 codes on the same date of service, G0453 is the code that denies.
| Column 1 code | Short description | Modifier indicator | |
|---|---|---|---|
00104 | Anes electroconvulsive ther | 0 | Check pair |
00210 | Anes intracranial px nos | 0 | Check pair |
00211 | Anes icr px crnec/crnot hmtm | 0 | Check pair |
00212 | Anes icr px subdural taps | 0 | Check pair |
00214 | Anes icr px burr holes | 0 | Check pair |
00215 | Anes icr px crnop/elvtn fx | 0 | Check pair |
00216 | Anes icr px vascular px | 0 | Check pair |
00218 | Anes icr px in sitting pos | 0 | Check pair |
00220 | Anes icr px csf shunting px | 0 | Check pair |
00222 | Anes icr px ecoag icr nrv | 0 | Check pair |
00300 | Anes all px integ h/n/ptrunk | 0 | Check pair |
00400 | Anes integumentary sys nos | 0 | Check pair |
00600 | Anes px crv spine&cord nos | 0 | Check pair |
00604 | Anes px crv spn&cord sitting | 0 | Check pair |
00620 | Anes px thrc spine&cord nos | 0 | Check pair |
Data: CMS CY2026 Physician Fee Schedule RVU file (October release, RVU26D) and Medicare NCCI PTP practitioner edits v32.3 (2026 Q4). Verify against the official files before billing or contracting decisions.