S120 is an insured service only when all of the conditions set out in the Surgical Preamble are satisfied.
S189 is not eligible for payment in conjunction with S120.
S160 is not eligible for payment in conjunction with S120.
Mini-gastric bypass (loop gastric bypass) does not constitute gastric bypass or partition for the purpose of S120.
S120 does not include the service described as adjustable gastric banding by laparoscopic or open surgical method. See section 37.1 of Regulation 552 under the Health Insurance Act.