N571 – Percutaneous discotomy
OHIP Otolaryngology Code — SPINAL SURGICAL PROCEDURES · Schedule of Benefits
A surgical procedure listed in the Schedule of Benefits. The fee for the operating surgeon (suffix 'A') is for the complete surgical service, which typically includes pre-operative assessment (such as the major pre-operative visit), the operation itself, and normal post-operative care. Assistant's Service (suffix 'B') The specific elements for a surgical assistant's service are outlined on page and include: - Preparing or supervising the preparation of the patient for the procedure. - Assisting another physician in the performance of the procedure(s) and assisting with recovery room procedures. - Monitoring the patient's condition for post-procedure follow-up until the first post-operative visit. Anaesthesiologist's Service (suffix 'C') The specific elements for a general anaesthesia service are outlined on page and include: - A pre-anaesthetic evaluation. - Performing the anaesthetic procedure, including supportive measures during and immediately after anaesthesia. - Post-anaesthetic follow-up.
When to Use
- Use N571 for the primary percutaneous discotomy procedure on a single spinal level.
- Use N571 in conjunction with E385 when performing the procedure on multiple spinal levels during the same operative session.
Common Pitfalls
- Billing N571 as a standalone service when multiple levels are addressed; failing to add E385 for additional levels results in under-billing.
- Attempting to bill a separate consultation or assessment code on the same day as N571, as the fee for N571 includes the major pre-operative assessment.
- Incorrectly billing N571 for open discectomy procedures, which fall under different surgical codes.
Billing Tips
- Always append E385 to N571 for each additional level treated to ensure the full surgical scope is captured in the claim.
- Ensure that any applicable after-hours premiums are applied to the N571 claim if the procedure is performed outside standard hours, as these are eligible add-ons.
Effective: April 1, 2025
Z. Spinal Surgical Procedures
SPINAL SURGICAL PROCEDURES
Surgical
Musculoskeletal System Surgical Procedures
All insured services must be documented in appropriate records. The Act requires that the record establish that: 1. an insured service was provided; 2. the service for which the account is submitted is the service that was rendered; and 3. the service was medically necessary.
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