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E633
E633 – Bronchoscopy with dilatation of stricture
OHIP Surgical Assists Code — RESPIRATORY SURGICAL PROCEDURES · Schedule of Benefits
When to Use
- Use E633A when performing a therapeutic dilatation of a bronchial stricture via flexible or rigid bronchoscopy in conjunction with a diagnostic bronchoscopy (Z327A).
- Use this code specifically when the dilatation is the primary therapeutic intent of the procedure, distinct from simple inspection or biopsy.
Common Pitfalls
- Billing E633A alongside laryngoscopy or oesophagoscopy will trigger a rejection, as OHIP rules mandate that only the bronchoscopy is eligible for payment when these procedures are combined.
- Failing to recognize that E633A is subject to the 85% multiple procedure rule when performed alongside a major procedure other than Z327A during the same operative session.
Billing Tips
- Always link E633A to the primary bronchoscopy code Z327A on the same claim to ensure the add-on status is recognized by the system.
- Ensure the dilatation is clearly documented as a distinct therapeutic action, as simple passage of the scope through a narrowed airway does not qualify as a dilatation.
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