Billing code
Z350A — Ethmoidectomy/antrostomy - Endoscopic Sphenoidotomy Unilateral
Z350A is an OHIP billing code from the Schedule of Benefits. Ethmoidectomy/antrostomy - Endoscopic Sphenoidotomy Unilateral. Fees: provider $123.70, specialist $0.00, assistant $0.00, anaesthetist $159.60, non-anaesthetist $159.60.
| Provider | Specialist | Assistant | Anaesthetist | Non-anaesthetist |
|---|---|---|---|---|
| $123.70 | $0.00 | $0.00 | $159.60 | $159.60 |
- Code
- Z350A
- Description
- Ethmoidectomy/antrostomy - Endoscopic Sphenoidotomy Unilateral
- FHO+ basket
- Not in the FHO+ base rate basket (Schedule 2 or 2B).
- Effective date
- Apr 1, 2026
- Termination date
- No end date
APEX checks every paid claim against the Schedule of Benefits and flags codes billed below what the visit qualified for. See how APEX works · Pricing