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S793
S793 – Thyroidectomy - completion following previous subtotal or hemi-thyroidectomy
OHIP Urology Code — ENDOCRINE SURGICAL PROCEDURES · Schedule of Benefits
This surgical procedure involves the completion of a thyroidectomy following a previous subtotal or hemi-thyroidectomy. It is listed in the 'Endocrine Surgical Procedures' section of the Schedule of Benefits. The service is eligible for assistant (6 base units) and anaesthetist (10 base units) fees. The add-on code E880 for parathyroid(s) re-implantation may be billed in addition if performed.
When to Use
- Use S793 specifically for the completion of a thyroidectomy when the patient has previously undergone a subtotal or hemi-thyroidectomy.
- Do not use S788 (Total Thyroidectomy) for this procedure; S793 is the designated code for secondary completion surgeries.
Common Pitfalls
- Billing S788 instead of S793 for completion thyroidectomies will lead to audit scrutiny as S788 is intended for primary total thyroidectomies.
- Failing to include E880 on the same claim when parathyroid re-implantation is performed results in lost revenue, as it cannot be billed as a separate surgical procedure code.
Billing Tips
- Ensure the operative report clearly references the previous thyroid surgery to justify the use of S793 over S788.
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