Description of Changes

Lines of Business

Intraoperative Neurophysiologic Monitoring (IONM)

For the Marketplace product, IONM services must be billed in accordance with CMS-recognized payable codes and applicable CMS billing and payment requirements. Services billed using codes that are not recognized or payable under CMS guidance are not eligible for reimbursement.

All the following criteria must be met:

1. Monitoring services are provided with exclusive, undivided attention to one patient.
2. No more than four (4) units may be billed per 60‑minute period.
3. Total units billed must not exceed the total monitoring time available.
4. The service is not billed by the surgeon or anesthesia provider, as it is included in the global surgical package.
5. The service is billed with an appropriate Place of Service (19, 21, 22, or 24).

Covered Services:

• 95940
• G0453

Non-Covered Services:

• 95941

Marketplace