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 $10.65
G516 Measurement of thermic effect of feeding $36.90
G350 Oesophageal Studies - oesophageal motility study(ies) with manometry $76.05
G353 Oesophageal Studies - oesophageal acid perfusion test and/or provocative drug testing $28.75
G251 Oesophageal Studies - oesophageal pH study for reflux, with installation of acid $27.05
G351 Oesophageal Studies - oesophageal pH study for reflux, with installation of acid, with 24 hour monitoring $31.85
G354 Oesophageal Studies - Anal-rectal manometry $38.50
G254 Management of post liver, lung or pancreas transplant immunosuppression - in lieu of non-emergency hospital visits in-patient visits … per visit $34.70
G349 Oesophageal tamponade (Blakemore bag) - insertion $45.30
G355 Gastric lavage - diagnostic $9.60
G356 Gastric lavage - therapeutic - with or without ice water lavage $33.80
G357 Gastric lavage - Gastric secretion studies (Augmented Histamine or Histalog, or Pentagastrin) - procedure and supervision $19.55
G352 Gastric lavage - Biliary tract provocative test with cholecystokinin $9.60
G322 Gastric lavage - Nasogastric intubation under general anaesthesia $9.60
G167 Hydrogen breath test - technical component $6.85
G166 Hydrogen breath test - professional component $10.45
G332 Hydrogen breath test - Capsule endoscopy $122.25