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E372
E372 – Posterior interbody arthrodesis or nuclear replacement - one disc level
OHIP Surgical Assists Code — SPINAL SURGICAL PROCEDURES · Schedule of Benefits
This is an add-on fee for the placement of a posterior interbody implant, graft, or nuclear replacement at one disc level. It must be billed in addition to a primary posterior spinal arthrodesis procedure, specifically N509, N510, N511, N512, or N513. For stabilization of each additional disc level, see E376.
When to Use
- Use E372 when performing a posterior interbody fusion (e.g., TLIF or PLIF) involving the insertion of a cage or structural graft at the first disc level in conjunction with a primary arthrodesis procedure like N509 or N510.
- Use E372 for nuclear replacement procedures at a single disc level when performed alongside a primary posterior spinal arthrodesis.
Common Pitfalls
- Billing E372 as a standalone procedure; it is strictly an add-on code and will be rejected if not submitted with an eligible primary code (N509, N510, N511, N512, or N513).
- Attempting to bill E372 for multiple levels; only the first level is covered by E372, while subsequent levels must be billed using E376.
- Double-billing the discectomy component; the fee for E372 explicitly includes the discectomy, so it cannot be claimed as a separate service.
Billing Tips
- Ensure the primary arthrodesis code (e.g., N509) is listed first on the claim to avoid automatic rejection of the add-on E372.
- If performing multi-level stabilization, claim E372 for the first level and E376 for each additional level to ensure correct total reimbursement.
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