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S166 – Small and large intestine terminal ileum, cecum and ascending colon (right hemicolectomy)

OHIP Digestive System Surgical Procedures Code — DIGESTIVE SYSTEM SURGICAL PROCEDURES · Schedule of Benefits

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S166 represents a resection with anastomosis of both the small and large intestine, specifically the terminal ileum, cecum, and ascending colon, a procedure commonly known as a right hemicolectomy. This surgical procedure is eligible for an additional 25% fee increase when performed laparoscopically or with laparoscopic assistance, claimed using the add-on code E793A. It is also eligible for various other premiums, including age-based premiums for pediatric patients, after-hours premiums for non-elective surgeries, and the trauma premium. The service includes 7 base units for anaesthesia (S166C) and 7 base units for a surgical assistant (S166B), with total fees calculated based on the respective unit formulas in the General Preamble ( and ).
S160E793E714S162Z750S164S165S167E796S169S172S171E808S168S170S173S174E738E718S150S151E737S154S155S156S157S158

Assistant fee (S166B) is calculated based on 7 base units plus time units. See -.

Anaesthesia fee (S166C) is calculated based on 7 base units plus time units. See -.

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