CurrentBlue Cross Blue Shield - Rhode IslandPolicy N/A

Remote Intraoperative Neurophysiologic (IONP) Monitoring

Defines medical necessity and coverage for remote intraoperative neurophysiologic monitoring provided from outside the operating room, specifying when one-case remote monitoring (G0453) is covered and when multi-case or remote multi-case monitoring (95941) is not covered.

Policy Summary

PayerBlue Cross Blue Shield - Rhode Island

PolicyRemote Intraoperative Neurophysiologic (IONP) Monitoring

Policy CodePolicy N/A

Change TypeNo material change

Effective DateJan 3, 2026

Next Review DateNov 5, 2025

Key ActionBill HCPCS G0453 per 15 minutes when a qualified neurologist provides undivided attention to a single patient during remote IONP and documentation supports medical necessity.

SourceLink

POLICY UPDATE CHANGES

No material clinical or coverage changes in this revision.

G0453HCPCS allowed when criteria met

95941CPT not covered / not medically necessary

1:1Required undivided attention

26Modifier required for additional CPTs

Dozens

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Coverage Criteria for Remote IONP Monitoring

Remote IONP Monitoring of One Case at a Time (G0453)

Covered when ALL of the following are met

Remote one-case monitoring criteria: 1. The number of individuals monitored by the physician (qualified neurologist) at one time does not exceed one; AND, 2. Monitoring is ordered by the operating surgeon; AND, 3. The surgical team and the monitoring team have direct, realtime communication regarding the individual's status based on data interpretation; AND, 4. The monitoring is set up and performed in the operating room by an independent technologist present and in continuous attendance in the operating room whose sole function is monitoring and transmission of data for a single case; AND, 5. Remote IONP is being utilized for at least one of the listed types of surgery (e.g., aortic arch/branch/thoracic aorta procedures with risk of cerebral or spinal cord ischemia; resection of epileptogenic brain tissue or tumor; resection near primary motor cortex requiring brain mapping; protection of cranial nerves including tumors of optic, trigeminal, facial, auditory nerves; resection of tumors involving cranial nerves; cavernous sinus tumors; microvascular decompression of cranial nerves).

Qualified neurologist required; G0453 billed per 15 minutes when attention is directed exclusively to one patient

Covered Remote IONP

Covered when medical criteria for remote IONP are met

G0453 coverage conditions: HCPCS G0453 is payable when monitoring is performed from outside the operating room and the monitoring physician directs undivided attention exclusively to one patient; billed per 15 minutes.attention directed exclusively to one patient

List in addition to primary procedure; when additional CPT codes are filed as part of remote IONP the professional component modifier '26' must be appended to those CPT codes

Not Covered Remote Monitoring CPT

Not medically necessary / Not covered

95941 not covered: CPT 95941 for remote monitoring or monitoring of more than one case is not covered for Medicare Advantage Plans and is not medically necessary for Commercial Products.

Remote intraoperative neurophysiologic (IONP) monitoring of more than one case at a time performed by a physician (CPT 95941) is explicitly not covered for Medicare Advantage Plans and is not medically necessary for Commercial Products. This policy identifies multi-case remote monitoring via CPT 95941 as an exclusion and may result in claim denial when billed for remote monitoring of multiple simultaneous cases.

CPT 95941 (Continuous intraoperative neurophysiology monitoring, from outside the operating room or for monitoring of more than one case, per hour) is listed as not covered for Medicare Advantage Plans and not medically necessary for Commercial Products. Providers should not bill CPT 95941 for remote IONP services under these product lines.

Remote IONP monitoring of a single case by a physician (qualified neurologist) is considered not covered for Medicare Advantage Plans and not medically necessary for Commercial Products when the policy’s specified medical necessity criteria are not met. Coverage for a one-case remote IONP service depends on satisfying the criteria that require undivided attention to one patient and the other conditions outlined in the policy.

For Commercial Products, CPT 95941 is explicitly identified as not medically necessary. When remote monitoring involves more than one concurrent case or when the code 95941 is used for remote services, it is not an allowable code under the commercial benefit.

Coding and Billing

Covered HCPCS Code when criteria metHCPCSCovered

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)

Not covered / Not medically necessaryCPTNot Covered

95941

Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby) or for monitoring of more than one case while in the operating room, per hour (List separately in addition to code for primary procedure)

Covered HCPCS Code for Remote IONPHCPCSCovered

G0453

Not Covered CPT CodesCPTNot Covered

95941

Additional CPT Codes Covered When G0453 is Medically NecessaryCPTCovered

51785	Needle electromyography studies (EMG) of anal or urethral sphincter, any technique
92653	Auditory evoked potentials; neurodiagnostic, with interpretation and report
95822	Electroencephalogram (EEG); recording in coma or sleep only
95812	Electroencephalogram (EEG) extended monitoring; 41-60 minutes
95813	Electroencephalogram (EEG) extended monitoring; 61-119 minutes
95861	Needle electromyography; 2 extremities with or without related paraspinal areas
95863	Needle electromyography; 3 extremities with or without related paraspinal areas
95864	Needle electromyography; 4 extremities with or without related paraspinal areas
95867	Needle electromyography; cranial nerve supplied muscle(s), unilateral
95868	Needle electromyography; cranial nerve supplied muscles, bilateral

1–10 of 30

1/3

ModifierModifier

26	Professional component modifier required to be appended to CPT codes when filed with remote IONP

Provider Responsibilities and Billing Requirements

Prior Authorization

Prior authorization is not applicable.

Prior Authorization

Prior authorization / medical necessity for G0453

HCPCS G0453 is medically necessary only when the medical criteria in this policy are met. G0453 represents continuous intraoperative neurophysiology monitoring performed from outside the operating room with attention directed exclusively to one patient. Bill G0453 per 15 minutes (list in addition to the primary procedure).

G0453 — Continuous intraoperative neurophysiology monitoring, from outside the operating room (remote or nearby), per patient, each 15 minutes (list in addition to primary procedure)
G0453 is payable only when the monitoring physician’s attention is directed exclusively to one patient (1:1 technologist to oversight physician billing)

Background

Intraoperative neurophysiologic (IONP) monitoring detects electrical signals from the nervous system during high‑risk neurosurgical, orthopedic, and vascular procedures to assess functional integrity of neural structures and enable timely intervention to prevent permanent deficits. Remote IONP refers to monitoring performed from outside the operating room (remote or nearby); this policy addresses remote IONP services and distinguishes covered one‑case remote monitoring (HCPCS G0453) from noncovered multi‑case or CPT 95941 remote monitoring.

Definitions

inv-23: Remote IONP — Remote IONP monitoring

DefinitionRemote IONP monitoring: intraoperative neurophysiologic monitoring provided from outside the operating room (remote or nearby) for either one case or more than one case at a time.

One‑case requirementPhysician (qualified neurologist) must direct undivided attention exclusively to one patient (1:1 technologist to oversight physician).

Ordering and communicationMonitoring must be ordered by the operating surgeon and include direct, real‑time communication between the surgical and monitoring teams regarding the patient’s status.

In‑room technologistAn independent technologist must be present in the operating room in continuous attendance whose sole function is monitoring and transmission of data for the single case.

Clinical useUtilized for specified high‑risk neurosurgical, orthopedic, or vascular procedures as enumerated in the policy when medical criteria are met.