Gastroenterology diagnostic & therapeutic procedures OHIP billing codes

These are the most commonly used Gastroenterology diagnostic & therapeutic procedures OHIP billing codes. To find other billing codes search the OHIP fee schedule here .


All codes

Code Description Amount
Z520 Change of gastrostomy tube $0.00
G516 Measurement of thermic effect of feeding $0.00
G350 Oesophageal Studies - oesophageal motility study(ies) with manometry $0.00
G353 Oesophageal Studies - oesophageal acid perfusion test and/or provocative drug testing $0.00
G251 Oesophageal Studies - oesophageal pH study for reflux, with installation of acid $0.00
G351 Oesophageal Studies - oesophageal pH study for reflux, with installation of acid, with 24 hour monitoring $0.00
G354 Oesophageal Studies - Anal-rectal manometry $0.00
G254 Management of post liver, lung or pancreas transplant immunosuppression - in lieu of non-emergency hospital visits in-patient visits … per visit $0.00
G349 Oesophageal tamponade (Blakemore bag) - insertion $0.00
G355 Gastric lavage - diagnostic $0.00
G356 Gastric lavage - therapeutic - with or without ice water lavage $0.00
G357 Gastric lavage - Gastric secretion studies (Augmented Histamine or Histalog, or Pentagastrin) - procedure and supervision $0.00
G352 Gastric lavage - Biliary tract provocative test with cholecystokinin $0.00
G322 Gastric lavage - Nasogastric intubation under general anaesthesia $0.00
G167 Hydrogen breath test - technical component $0.00
G166 Hydrogen breath test - professional component $0.00
G332 Hydrogen breath test - Capsule endoscopy $0.00